Dr Rukhsana Durrani, Mohammad Rafiuddin, Dr Muneer Ahmed. An Examination of the Learning Difficulties Faced by Students in Biology at the Secondary Level in the District of Mardan. AHRJ [Internet]. 2025 Mar. 31 [cited 2026 Jan. 29];2(2):308-1. Available from: https://hrj.com.pk/index.php/hrj/article/view/141