Cindy Sibarani, Hotner Tampubolon, & Ganda Hutapea. (2023). The Effect of Learning Motivation and Learning Environment on Student Achievement Index (Case Study of FEB UKI Class of 2018-2019). Fundamental Management Journal, 8(1), 90 - 109. https://doi.org/10.33541/fjm.v8i1.4795