Nuić, Ines, and Saša Aleksej Glažar. “Application of Web-Based Learning Material for Teaching States of Matter in 8th Grade Primary School Chemistry – A Pilot Study Results”. Bulletin of Chemists and Technologists of Bosnia and Herzegovina 45 (December 1, 2015): 43–50. Accessed August 31, 2026. https://glashem.pmf.unsa.ba/index.php/bctbh/article/view/161.