Nuić I, Glažar SA. 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. 2015;45:43-50. Accessed October 5, 2026. https://www.glashem.pmf.unsa.ba/index.php/bctbh/article/view/161