“Pengaruh Problem Based Learning Bermuatan SDGs Poin 6 terhadap Kemampuan Pemecahan Masalah Siswa SMP”, JPSE, vol. 2, no. 2, pp. 39–51, Jul. 2026, Accessed: Sep. 20, 2026. Available: https://journal.kopialinea.com/index.php/JPSE/article/view/48