RISTANOVIĆ, Dušan P. Constructivist basis of project model in teaching science. Collection of Papers of the Faculty of Philosophy in Priština, [S. l.], v. 46, n. 1, 2016. DOI: 10.5937/zrffp46-10809. Dostupno na: https://asistent.ceon.rs/index.php/zrffp/article/view/10809. Pristupljeno: 12 jul. 2026.