Irwanto, Madjdi H, Santoso. The Effect of Problem-Based Learning and Project Based Learning Method on Mathematics Learning Outcomes in Pati Elementary School. ICCCM JSSH [Internet]. 2022 Sep. 11 [cited 2025 Feb. 5];1:7-12. Available from: https://ejicccm.com/index.php/icccmjssh/article/view/39