Aulia D, Martaningsih ST, Supriyanto A. UPAYA MENINGKATKAN KETERAMPILAN PROSES IPA MELALUI MODEL PEMBELAJARAN PROBLEM BASED LEARNING PADA KELAS V SDN 8 SINTANG. JGK [Internet]. 2021 Jun. 30 [cited 2025 Jan. 6];5(3):98-107. Available from: http://103.242.233.34/index.php/jgkp/article/view/25787