TRIGUNAWAN, E., and E. SUGIANTO. “PERFORMANCE IMPROVEMENT DISTRICT BELINYU GUARD PT.TIMAH IN THE PRESENCE OF GIVING BONUS COMPENSATION”. JOURNAL OF BUSINESS STUDIES AND MANGEMENT REVIEW, vol. 2, no. 2, July 2019, pp. 66-68, doi:10.22437/jbsmr.v2i2.7210.