Ermi, Ade, and Martiman S. Sarumaha. “The Effect of Work Motivation and Work Discipline Toward The Performance of Toma District Officers at South Nias”. Prosiding ICSMR 1, no. 1 (March 29, 2020): 50-60. Accessed July 1, 2025. http://conference.loupiasconference.org/index.php/ICSMR/article/view/4.