Samah Ibrahim Mohamed Ahmed. The Effect of Using Visual Thinking Networks in Developing High-Order Thinking Skills in Chemistry Among Second-Year Secondary School Students in Aden Governorate. JEF [Internet]. 2025 Mar. 14 [cited 2025 Jul. 6];18(2):569-83. Available from: https://jef.adenuniv.net/index.php/jef/article/view/84