Winda Ocviana, Rahima Br Purba, Heriyati Chrisna. 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 [Internet]. 2025Jul.1 [cited 2025Jul.24];13(05):1396-412. Available from: https://seaninstitute.org/infor/index.php/infokum/article/view/2932