Rismayanti, Tawe A, Sahabuddin R, Supatminingsih T, Najamuddin, Haryoko S. The Effect of Implementing Project Based Learning on the Problem Solving Ability of Class X Students in Economics Learning at MAN. ECBIS [Internet]. 2024 Nov. 8 [cited 2026 Jan. 19];2(5):405-16. Available from: https://ecbis.net/index.php/go/article/view/151