Fajari LEW. PENGARUH PROBLEM-BASED LEARNING MULTIMEDIA DAN MOTIVASI BELAJAR TERHADAP KETERAMPILAN BERPIKIR KRITIS SISWA SEKOLAH DASAR. EDU [Internet]. 2022 Mar. 30 [cited 2026 Apr. 18];1(1):34-45. Available from: https://jpee.lppmbinabangsa.ac.id/index.php/home/article/view/5