Muslimin, S. M., and Minsih. “Improvıng Understandıng Of KPK And FPB Wıth Project Based Learnıng Model In Elementary School”. Jurnal Elementaria Edukasia, vol. 7, no. 2, June 2024, pp. 2688-99, http://ejournal.unma.ac.id/index.php/jee/article/view/9165.