Simatupang DY, Fauzi K. Implementation of the Problem Based Learning Method to Enhance Students Learning Activities and Outcomes at SD Negeri 077786 Tuhembaruzo. CE [Internet]. 2025 Nov. 30 [cited 2025 Nov. 30];6(3):760-71. Available from: https://pusdikra-publishing.com/index.php/josr/article/view/2987