Santi, Theresia, Ridwansyah Ridwansyah, Rima Melati, and Budi Setiabudiawan. “Vitamin D in Office Workers: A Review of Musculoskeletal and Immune System Optimization for Enhanced Productivity”. Acta Medica Indonesiana 58, no. 1 (April 9, 2026): 99. Accessed May 1, 2026. https://www.actamedindones.org/index.php/ijim/article/view/3243.