Salmah, Umi, Sri Malem Indirawati, Risanti FR Situmorang, Pauzi Ibrahim Nainggolan, and Dimas Aditya Syahputra. “THE DESIGN OF ONLINE SMART APPLICATION SIRISKA (WORK RISK MAPPING SYSTEM): A STUDY OF OIL PALM HARVESTING WORKERS IN PTPN IV ADOLINA PLANTATION”. International Journal of Multidisciplinary Research and Literature 2, no. 2 (March 20, 2023): 265–270. Accessed May 21, 2026. https://ijomral.esc-id.org/index.php/home/article/view/112.