I. Nuić and S. A. Glažar, “Application of Web-based Learning Material for Teaching States of Matter in 8th Grade Primary School Chemistry – A Pilot Study Results”, Glas. hem. tehnol. Bosne Herceg., vol. 45, pp. 43–50, Dec. 2015, Accessed: Aug. 31, 2026. [Online]. Available: https://glashem.pmf.unsa.ba/index.php/bctbh/article/view/161