P. Adella, L. R. Hasibuan, and Eva Julyanti, “A THE INFLUENCE OF THE PROBLEM-BASED LEARNING MODEL ON CRITICAL THINKING ABILITY AND MATHEMATICS LEARNING OUTCOMES AT SMPS PGRI 19 LOHSARI BARAT: PENGARUH MODEL PROBLEM-BASED LEARNING TERHADAP KEMAMPUAN BERPIKIR KRITIS DAN HASIL BELAJAR MATEMATIKA DI SMPS PGRI 19 LOHSARI BARAT”, MaPan, vol. 12, no. 1, pp. 147–159, Jun. 2024.