Heryanto Siburian, Mesra B, and Elfitra Desy Surya. “ANALYSIS OF WORKING HOURS AND WORKLOAD ON WORK PRODUCTIVITY WITH JOB SATISFACTION AS A MODERATING VARIABLE AT PT PLN BINJAI CITY CUSTOMER SERVICE UNIT”. Multidiciplinary Output Research For Actual and International Issue (MORFAI) 5, no. 2 (August 9, 2025): 3485–3502. Accessed September 29, 2025. https://radjapublika.com/index.php/MORFAI/article/view/3804.