PAJČIN, Mirjana; BUKUMIRIĆ, Zoran; TOMAŠEVIĆ, Jelena; ILIĆ, Aleksandra. Randomization methods and cluster size in cluster randomized trials conducted in elementary and high schools. Vojnosanitetski pregled, [S. l.], v. 79, n. 10, 2022. DOI: 10.2298/VSP210708087P. Dostupno na: https://asistent.ceon.rs/index.php/vsp/article/view/33059. Pristupljeno: 12 juli. 2026.