Arby, R. Rahadian. 2021. “VERTICAL COMMUNICATION ON ACHIEVEMENT MOTIVATION AND SKILLS: A STUDY OF EMPLOYEE’S PERSPECTIVE FROM A MULTI-LEVEL MARKETING COMPANY IN BANDUNG, INDONESIA”. Jurnal Ekonomi, Bisnis &Amp; Entrepreneurship (e-Journal) 15 (1):8-15. https://doi.org/10.55208/jebe.v15i1.217.