Nasution, Olin Sarita, Aziddin Harahap, and Abd Halim. “Improving Human Resources Management Services At Vivetato Langga Payung, Labuhanbatu Selatan”. Quantitative Economics and Management Studies 4, no. 2 (February 3, 2023): 297–303. Accessed September 18, 2026. https://jpabdimas.idjournal.eu/index.php/qems/article/view/1556.