Silaen, Harsudianto, and Melva Epy Mardiana Manurung. “The Role of Caregiver in Patients of Nasopharyngeal Cancer (NFC) During Treatment”. KESANS : International Journal of Health and Science 1, no. 6 (March 20, 2022): 603–610. Accessed August 16, 2025. https://kesans.rifainstitute.com/index.php/kesans/article/view/64.