The Implementation of Problem-Based Learning (PBL) Integrated with the Peer-Mediated Instruction and Intervention (PMII) Cooperative Learning Model of the Class-Wide Peer Tutoring (CWPT) Type to Improve Motivation, Learning Activities, and Learning Outcomes of Biology Students in the Plant Physiology Course, Biology Education Study Program, STKIP-PI Makassar. cb. 2018;1(1):11-18. doi:10.51336/67p8h014