Amin Khan, Dr. Rehmat Ali Farooq, Zahoor-ul-Haq. Effect of Cooperative Learning Approach on Ninth Grade Students’ Achievement in Chemistry. RJSSER [Internet]. 2020Oct.20 [cited 2024Apr.26];1(3):247-54. Available from: https://ojs.rjsser.org.pk/index.php/rjsser/article/view/118