Deka, Siti Aliifah, and Fridgo Tasman. “Pengaruh Penerapan Model Pembelajaran Problem Based Learning Terhadap Kemampuan Pemecahan Masalah Matematis Peserta Didik Di Kelas VIII SMP Negeri 31 Padang”. Attractive : Innovative Education Journal, vol. 5, no. 3, Oct. 2023, pp. 190-7, doi:10.51278/aj.v5i3.842.