Waruwu, Novtriman, Suka’aro Waruwu, Fatolosa Hulu, and Meiman Hidayat Waruwu. “The Influence of Human Resource Planning on Teacher Performance at Harapan Sejahtera Private Christian Vocational School”. Journal of Management, Economic, and Accounting 4, no. 2 (July 19, 2025): 351–356. Accessed June 23, 2026. https://jurnalunived.com/index.php/JMEA/article/view/815.