SILVIA, Nuris; AMILA, Shovi. Production of Hand Washing Soap from Ethanol Extract of Fern (Pteridophyta), Nampong Leaves (Siegesbeckia orientalis) and Thistle Plants (Calotropis gigantea). Journal of Natural Sciences and Mathematics Research, [S. l.], v. 5, n. 1, p. 1–6, 2019. Disponível em: https://journal.walisongo.ac.id/index.php/JNSMR/article/view/11022. Acesso em: 7 jun. 2025.