Prilina, Puty Annisa, et al. “Effect of Calendula Officinalis L. Extract Emulgel on TNF-α and VEGF Levels in UV-B-Exposed Male Wistar Rats”. International Journal of Health, Economics, and Social Sciences (IJHESS), vol. 8, no. 3, Oct. 2026, p. 1112~1118, doi:10.56338/ijhess.v8i3.12440.