Sutoyo, S., Koen Irianto Uripan, S. Sutomo, and R. Rudiyanto. “An Analysis of Discipline, Work Enthusiasm, and Work Motivation on Employee Performance”. Jurnal Multidisiplin Sahombu, vol. 5, no. 5, Aug. 2025, pp. 1524-31, https://ejournal.seaninstitute.or.id/index.php/JMS/article/view/7160.