Yasmir Lukman; Kiki Farida Ferine; Sri Rahayu. THE EFFECT OF EMPLOYEE NUMBER AND COMPETENCE ON WORKPLACE EFFECTIVENESS, WITH EDUCATION AS A MODERATING VARIABLE FOR EMPLOYEES IN THE TRADE AND CUSTOMER MANAGEMENT DIVISION, AND IN FINANCE, COMMUNICATION, AND GENERAL AFFAIRS AT PT PLN (PERSERO) MAIN DIS. IJEBAS 2025, 5, 1871-1883.