Prof. Faeeza Abd Al-Qadir Abd Al-Razzaq, Amani Issam Bahloul. The Effect of the Perkins &Blythe Model on The Systematic Thinking Skills of Second-Intermediate Students in Mathematics. TURCOMAT [Internet]. 2021Sep.12 [cited 2024May1];12(14):3417-25. Available from: https://turcomat.org/index.php/turkbilmat/article/view/10937