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”. Journal of the Faculties of Education - University of Aden, vol. 18, no. 2, Mar. 2025, pp. 569-83, doi:10.47372/jef.(2024)18.2.84.