Gustina G. Peningkatan Aktivitas dan Hasil Belajar Matematika Melalui Model Project Based Learning. jdpd [Internet]. 2023 Mar. 30 [cited 2026 Jan. 5];7(1):23-36. Available from: http://ojsdikdas.kemendikdasmen.go.id/index.php/didaktika/article/view/1009