Ardiana IDKR, Andjarwati T, Wulandari AD. ANALYSIS OF THE IMPLEMENTATION OF STANDARD OPERATING PROCEDURE, ORGANIZATIONAL CITIZENSHIP BEHAVIOUR AND WORK COMPETENCY TOWARDS PRODUCTIVITY AND EMPLOYEES PERFORMANCE OF SURABAYA MERCHANT MARINE POLYTECHNIC. JMM17 [Internet]. 2020Sep.1 [cited 2026Jan.11];7(2):28-36. Available from: https://jurnal.untag-sby.ac.id/index.php/jmm17/article/view/4559