EKA WIYONO; KIKI FARIDA FERINE; M. ISA INDRAWAN. The Effect of Competency and Motivation on the Effectiveness of Goods Services Procurement with the Implementation of the Board of Directors Regulation of PT PLN (Persero) Number 0018.P/Dir/2023 as an Intervening Variable for Employees of PT PLN (Persero) UID North Sumatera. Equivalent : Journal of Economic, Accounting and Management, [S. l.], v. 4, n. 1, p. 1228–1244, 2026. DOI: 10.61994/equivalent.v4i1.1816. Disponível em: https://jurnal.dokicti.org/index.php/equivalent/article/view/1816. Acesso em: 21 may. 2026.