Abstract:This study aims to 1) describe the process of implementing Problem Based Learning (PBL) strategies in Biology subjects, on the Respiration System material for class XI and 2) to describe the results of implementing Problem Based Learning (PBL) methods in overcoming student learning difficulties in Biology subjects, in Class XI Respiratory System material. This research is a descriptive research. The research was carried out at SMA Negeri 5 Pematang Siantar, Siantar Martoba district, Pematang Siantar city in 20… Show more
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