Putri, E. J., & Nurmeidina, R. (2021). Empowerment of Herbal Hand Sanitizer from Betel (Piper bettle L.) Leaves and Lime (Citrus aurantifolia S.) During Covid-19 Pandemic. Prosiding Pengembangan Masyarakat Mandiri Berkemajuan Muhammadiyah (Bamara-Mu), 1(1), 472–479. Retrieved from https://proceeding.mbunivpress.or.id/index.php/bamara/article/view/258