PENERAPAN MODEL PROBLEM BASED LEARNING TERHADAP KEMAMPUAN BERPIKIR KRITIS SISWA PADA PEMBELAJARAN IPAS KELAS IV SDN 019 PANDAU JAYA. sindoro [Internet]. 2025 Jul. 27 [cited 2025 Aug. 2];17(5):11-20. Available from: https://ejournal.cahayailmubangsa.institute/index.php/sindoro/article/view/5525