Siregar, Parkumpulan, Armanto Armanto, and Zulkifli Matondang. 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):159-79. https://doi.org/10.53768/sijel.v3i1.129.