Anazah A, Wulan NS, Nurussama A. Model Problem Based Learning Berbantuan Congklak Modifikasi Terhadap Kemampuan Pemecahan Masalah Matematis Siswa. NJPIP [Internet]. 2026 Sep. 30 [cited 2026 Oct. 2];7(4):2473-82. Available from: https://ejournal.nusantaraglobal.ac.id/index.php/nusra/article/view/6598