Didik, Didik, Ahmad Hidayat, and Dayatullah Dayatullah. “PENGARUH DISIPLIN KERJA DAN LINGKUNGAN KERJA FISIK TERHADAP KINERJA KARYAWAN PT CHEETHAM GARAM INDONESIA”. SULTAN ( Indonesian of Leadership and Management Journal) 1, no. 1 (October 2, 2020): 33–49. Accessed July 7, 2025. https://jurnal.desantapublisher.com/index.php/sultan/article/view/46.