RANĐELOVIĆ, Dušan J.; LAZAREVIĆ, Dragana Đ.; PAVIĆEVIĆ, Miljana S. Reliability and Validity of the Instrument Assessing the Effectiveness of Online and Regular Classroom Lessons. Collection of Papers of the Faculty of Philosophy in Priština, [S. l.], v. 52, n. 4, 2022. DOI: 10.5937/zrffp52-40673. Dostupno na: https://asistent.ceon.rs/index.php/zrffp/article/view/40673. Pristupljeno: 12 jul. 2026.