Lilis, Mardiati. MODEL PEMBELAJARAN PROBLEM SOLVING TERHADAP KEMANDIRIAN BELAJAR SISWA DI MASA PANDEMI. JSM [Internet]. 2022 May 10 [cited 2026 Nov. 15];14(1):26-33. Available from: https://www.ejournal.stkipbudidaya.ac.id/index.php/matematika/article/view/558