diff --git a/swad_changelog.h b/swad_changelog.h
index 3a6470a99..dd7ef0c5a 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -217,20 +217,21 @@
 
 // TODO: Change numbers of notifications in program and database to match order in tabs
 
-// TODO: Add plus icons in boxes "Types of group" and "Groups" when editing groups.
+// TODO: Print view of an assignment (suggested by Sandra Daniela Tazzioli Barroso).
 
 /*****************************************************************************/
 /****************************** Public constants *****************************/
 /*****************************************************************************/
 
-#define Log_PLATFORM_VERSION	"SWAD 16.195.1 (2017-04-29)"
+#define Log_PLATFORM_VERSION	"SWAD 16.195.2 (2017-04-29)"
 #define CSS_FILE		"swad16.193.4.css"
 #define JS_FILE			"swad16.181.js"
 
 // Number of lines (includes comments but not blank lines) has been got with the following command:
 // nl swad*.c swad*.h css/swad*.css py/swad*.py js/swad*.js soap/swad*?.h sql/swad*.sql | tail -1
 /*
-        Version 16.195.1: Apr 29, 2017	Code refactoring in edition of groups. (? lines)
+        Version 16.195.2: Apr 29, 2017	Add plus icons in boxes "Types of group" and "Groups" when editing groups. (218512 lines)
+        Version 16.195.1: Apr 29, 2017	Code refactoring in edition of groups. (218474 lines)
         Version 16.195:   Apr 29, 2017	Changes in edition of groups. (218470 lines)
         Version 16.194.22:Apr 29, 2017	Changes in edition of groups. (218433 lines)
         Version 16.194.21:Apr 29, 2017	Changes in edition of groups. (218435 lines)
diff --git a/swad_group.c b/swad_group.c
index a28a34f2e..153046ed3 100644
--- a/swad_group.c
+++ b/swad_group.c
@@ -40,8 +40,10 @@
 /*************************** Internal constants ******************************/
 /*****************************************************************************/
 
-#define Grp_SECTION_GROUP_TYPES	"grp_types"
-#define Grp_SECTION_GROUPS	"grps"
+#define Grp_SECTION_GROUP_TYPES		"grp_types"
+#define Grp_SECTION_NEW_GROUP_TYPE	"new_grp_type"
+#define Grp_SECTION_GROUPS		"grps"
+#define Grp_SECTION_NEW_GROUP		"new_grp"
 
 /*****************************************************************************/
 /***************************** Internal types ********************************/
@@ -73,6 +75,9 @@ static void Grp_DestructorListGrpAlreadySelec (struct ListGrpsAlreadySelec **Alr
 static void Grp_RemoveUsrFromGroup (long UsrCod,long GrpCod);
 static void Grp_AddUsrToGroup (struct UsrData *UsrDat,long GrpCod);
 static void Grp_ListGroupTypesForEdition (void);
+static void Grp_PutIconsEditingGroupTypes (void);
+static void Grp_PutIconToViewGroups (void);
+static void Grp_PutIconToCreateNewGroupType (void);
 static void Grp_WriteHeadingGroupTypes (void);
 static void Grp_ListGroupsForEdition (void);
 static void Grp_WriteHeadingGroups (void);
@@ -178,7 +183,7 @@ void Grp_ReqEditGroups (void)
 static void Grp_ReqEditGroupsInternal0 (void)
   {
    /***** Start groups types section *****/
-   fprintf (Gbl.F.Out,"<section id=\"group_types\">");
+   fprintf (Gbl.F.Out,"<section id=\"%s\">",Grp_SECTION_GROUP_TYPES);
   }
 
 static void Grp_ReqEditGroupsInternal1 (Lay_AlertType_t AlertType,const char *Message)
@@ -198,7 +203,7 @@ static void Grp_ReqEditGroupsInternal1 (Lay_AlertType_t AlertType,const char *Me
    fprintf (Gbl.F.Out,"</section>");
 
    /***** Start groups section *****/
-   fprintf (Gbl.F.Out,"<section id=\"groups\">");
+   fprintf (Gbl.F.Out,"<section id=\"%s\">",Grp_SECTION_GROUPS);
   }
 
 static void Grp_ReqEditGroupsInternal2 (Lay_AlertType_t AlertType,const char *Message)
@@ -1136,7 +1141,9 @@ static void Grp_ListGroupTypesForEdition (void)
    char Id[32];
 
    /***** Write heading *****/
-   Lay_StartRoundFrameTable (NULL,Txt_Types_of_group,NULL,Hlp_USERS_Groups,2);
+   Lay_StartRoundFrameTable (NULL,Txt_Types_of_group,
+                             Grp_PutIconsEditingGroupTypes,
+                             Hlp_USERS_Groups,2);
    Grp_WriteHeadingGroupTypes ();
 
    /***** List group types with forms for edition *****/
@@ -1255,6 +1262,41 @@ static void Grp_ListGroupTypesForEdition (void)
    Lay_EndRoundFrameTable ();
   }
 
+/*****************************************************************************/
+/************ Put contextual icons in edition of types of group **************/
+/*****************************************************************************/
+
+static void Grp_PutIconsEditingGroupTypes (void)
+  {
+   /***** Put icon to view groups *****/
+   Grp_PutIconToViewGroups ();
+
+   /***** Put icon to create a new type of group *****/
+   Grp_PutIconToCreateNewGroupType ();
+  }
+
+static void Grp_PutIconToViewGroups (void)
+  {
+   extern const char *Txt_View;
+
+   /***** Put form to create a new type of group *****/
+   Lay_PutContextualLink (ActReqSelGrp,NULL,NULL,
+			  "eye-on64x64.png",
+			  Txt_View,NULL,
+                          NULL);
+  }
+
+static void Grp_PutIconToCreateNewGroupType (void)
+  {
+   extern const char *Txt_New_type_of_group;
+
+   /***** Put form to create a new type of group *****/
+   Lay_PutContextualLink (ActReqEdiGrp,Grp_SECTION_NEW_GROUP_TYPE,NULL,
+                          "plus64x64.png",
+                          Txt_New_type_of_group,NULL,
+                          NULL);
+  }
+
 /*****************************************************************************/
 /*********************** Write heading of group types ************************/
 /*****************************************************************************/
@@ -2111,6 +2153,7 @@ static void Grp_PutFormToCreateGroupType (void)
    extern const char *Txt_Create_type_of_group;
 
    /***** Start form *****/
+   fprintf (Gbl.F.Out,"<section id=\"%s\">",Grp_SECTION_NEW_GROUP_TYPE);
    Act_FormStartAnchor (ActNewGrpTyp,Grp_SECTION_GROUP_TYPES);
 
    /***** Start of frame *****/
@@ -2207,6 +2250,7 @@ static void Grp_PutFormToCreateGroupType (void)
 
    /***** End form *****/
    Act_FormEnd ();
+   fprintf (Gbl.F.Out,"</section>");
   }
 
 /*****************************************************************************/