ZULKARNAIN, A. K.; JUMINA, J.; KHARISMAWATI, G. T.; LARASATI, F. A. Optimization of Gelling Agent and Sunscreen Activity Test of 4-OH-chalcone Gel by In Vitro Method. Indonesian Journal of Pharmacy, [S. l.], v. 34, n. 1, p. 112–119, 2023. DOI: 10.22146/ijp.3300. Disponível em: https://journal.ugm.ac.id/v3/IJP/article/view/3300. Acesso em: 23 sep. 2026.