Hendayani , Ratih, and Putri Aulia Fariha Fauzi. 2022. “Analysis of E-Procurement Implementation in Effectiveness Procurement of Goods and Services: (Case Study at PT. KERETA API INDONESIA (PERSERO))”. International Journal of Entrepreneurship and Business  Management 1 (2):153-69. https://doi.org/10.54099/ijebm.v1i2.368.