Maulidin MI, Linda. How to Make Hand sanitizer Using Betle Leaves (Piper betle L.) and Lime (Citrus aurantifolia S.) . pengembangan masyarakat [Internet]. 2021Sep.20 [cited 2024Dec.22];1(1):435-8. Available from: https://proceeding.mbunivpress.or.id/index.php/bamara/article/view/252