PENGARUH MODEL PBL TERHADAP KEMAMPUAN BERPIKIR KRITIS MATEMATIKA SISWA SD BERBANTUAN MEDIA RODA PUTAR BANGUN DATAR. IPSSJ [Internet]. 2025 Feb. 4 [cited 2026 Oct. 21];2(01 Februari):842-9. Available from: https://ipssj.com/index.php/ojs/article/view/127