Article

Mesiyanto, Mesi and Trisnaningsih, Trisna and Pujiati, P (2020) the Effect of Problem-Based Learning Toward the Upgrading of Student's Critical Thinking Skills in Geography Study at Class XII Al Kautsar Senior High School Bandar Lampung. Internasional Journal Of Research and Inovation In Sosial Science, IV (VI). pp. 300-304. ISSN ISSN No. 2454-6186