El Kababi, Khadija, Azzeddine Atibi, Mohammed Radid, and Ahmed Adile Benmassaoud. “Difficulties Encountered by the Moroccan High School Students at the Level of the Modelling and the Course of a Chemical Reaction”. New Trends and Issues Proceedings on Humanities and Social Sciences 3, no. 1 (June 28, 2017): 95–105. Accessed November 22, 2024. https://un-pub.eu/ojs/index.php/pntsbs/article/view/1755.