Siregar, P. ., Armanto, A., & Matondang, Z. . (2023). IMPROVEMENT OF CRITICAL THINKING ABILITY AND LEARNING INTEREST MATHEMATICS USING MODELS PROBL EM BASED LEARNING ON STUDENT CLASS V SD IT NURUL ILMI PADANG SIDEMPUAN. Sensei International Journal of Education and Linguistic, 3(1), 159–179. https://doi.org/10.53768/sijel.v3i1.129