International Journal of Innovation in Teaching and Learning (IJITL)
International Islamic University, Islamabad

Habiba Shaukat, Dr. Tehseen Tahir, Dr. Umbreen Ishfaq, Dr. Asaf Niwaz Satti, Dr. Muhammad Saeed   Abstract The study intended to investigate the effectiveness of problem based learning (PBL) on the cognitive development of class IX students’ in the subject of chemistry. The objectives of the study were to; examine the effect of problem based […]

 

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