Alvyanti, F. A. A.; Nasywaa Aji Azzahra, G.; Cahyaningtyas, S. Increasing the Usability of Ageratum Conyzoides Linn And Ocium Sanctum L To Become Eco-Friendly Sunblock As Skin Protection From Ultraviolet Rays A And B. KESANS 2022, 1, 480-487.