Supri CQ, Fitraini D. PENGARUH PENERAPAN MODEL PROBLEM BASED LEARNING (PBL)TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS DITINJAU DARI ASPEK ADVERSITY QUOTIENT SISWA . j. penelit. n.a mat. sekol [Internet]. 2025 Dec. 26 [cited 2025 Dec. 26];9(3):300-8. Available from: https://ejournal.unib.ac.id/JPPMS/article/view/44760