Anggelina P, Harjono N. Perbedaan Efektivitas Model Problem Based Learning dan Discovery Learning dalam Meningkatkan Hasil Belajar IPA Sekolah Dasar. basicedu [Internet]. 2022 Oct. 16 [cited 2024 Dec. 23];6(6):9695-70. Available from: https://jbasic.org/index.php/basicedu/article/view/4164