Widyartini, N. W. E., & Eka Andayani, D. (2025). Effect of Vitamin D Supplementation on Overall Survival and Progression- Free Survival of Colorectal Cancer Patients. Jurnal Ilmu Kesehatan Indonesia, 6(3), 271–276. https://doi.org/10.25077/jikesi.v6i3.1608