Romanov, Elina. „EXPLORING THE RELATIONSHIP BETWEEN STUDENTS’ FRIENDS AND THE IMPACT ON DROP OUT RATES: A PSYCHOLOGICAL INVESTIGATION“. E-Journal VFU, no. 23 (Май 14, 2025): 694–705. отворен на Февруари 23, 2026. https://ejournal.vfu.bg/index.php/vfu/article/view/157.