Yanuarti, Maghfiroh, Endah Asmarawati, and Hendri Prasetyo. 2022. “Analysis Of Learning Productivity In Economic Mathematics Course Of Management Study Program S1 University Pamulang Academic Year 2021 2022”. International Journal of Educational Research & Social Sciences 3 (5):2091-96. https://doi.org/10.51601/ijersc.v3i5.521.