1.
Faddylla Intan Maharani, Maria Montessori. IMPROVING PROBLEM SOLVING ABILITY OF ELEMENTARY SCHOOL STUDENTS BY USING PROBLEM-BASED LEARNING MODELS . JPFKIP [Internet]. 2020 Apr. 25 [cited 2026 Oct. 5];9(2):228-34. Available from: https://primary.ejournal.unri.ac.id/index.php/JPFKIP/article/view/892