Sabbarini DMS, Malak DHA. The Effectiveness of the Systemic Approach to Teaching Chemistry in Developing scientific thinking and scientific attitudes among Secondary school Students in Jordan. tu.edu.ye.journals [Internet]. 2023 Jan. 21 [cited 2024 Jul. 22];4(7):17-44. Available from: https://journal.tu.edu.ye/index.php/edu/article/view/1082