Winda Ocviana, Rahima Br Purba and Heriyati Chrisna (2025) “The Impact of E-Procurement Implementation, Procurement Officer Competency, And Internal Supervision on Execution of Goods and Services Procurement: a Case Study of the Provincial Government of North Sumatra”, INFOKUM, 13(05), pp. 1396-1412. Available at: https://seaninstitute.org/infor/index.php/infokum/article/view/2932 (Accessed: 24July2025).