Sefrinal S. PENGARUH PENDEKATAN PROBLEM BASED LEARNING TERHADAP KEMAMPUAN BERPIKIR KREATIF MATEMATIS SISWA KELAS X SMA NEGERI 1 SUTERA. j. kepemimp. pengur. sekol. [Internet]. 2024 May 10 [cited 2025 Oct. 29];4(2):149-54. Available from: https://ejurnal.stkip-pessel.ac.id/index.php/kp/article/view/263