Quratul Ain, Batool Atta, Muhammad Kashif Khursheed. GENDER DIFFERENCES IN SECONDARY SCHOOL CHEMISTRY ACHIEVEMENT: A CASE STUDY OF MUZAFFARABAD, AZAD JAMMU AND KASHMIR. PJER [Internet]. 2022 Jun. 30 [cited 2026 May 29];5(2). Available from: https://pjer.org/index.php/pjer/article/view/573