Porando Sitanggang E, Rangkuti Z, Hanaffy J. THE EFFECT OF WORK COORDINATION AND EFFECTIVENESS ON EMPLOYEE PRODUCTIVITY AT PT. UNILEVER INDONESIA. JMBO [Internet]. 23 November 2025 [dikutip 28 Juni 2026];4(2):435-40. Tersedia pada: https://jurnal-cahayapatriot.org/index.php/jmbo/article/view/535