Siahaan I, Kaharuddin K, Koto MS. The Effect of Supervision and Incentives on Employees’ Work Morale at the Regional Secretariat of Central Tapanuli Regency. JEMA. 2026;3(02):121-126. Accessed March 17, 2026. https://jurnal.devitara.or.id/index.php/ekonomi/article/view/352