Social perception of Facebook friendship among Greek students

Evangelia Kourti, Panagiotis Kordoutis, Madoglou Anna

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Family and bullying: A review of national and international research

Σταυρούλα Κάργα, Ιωάννα Μπίμπου Νάκου

136-159

Self-concept reflected in students' activities during physics instrution: The role of interest-oriented actions

Annette Schick

324-338