Lathifa, N.N. et al. 2026. Effect of Calendula officinalis L. extract emulgel on MMP-1 and MMP-9 levels in UV-B-exposed male Wistar rats. International Journal of Health, Economics, and Social Sciences (IJHESS). 8, 3 (Jul. 2026), 1105~1111. DOI:https://doi.org/10.56338/ijhess.v8i3.12439.