Mahfuzah, Nadia, and Bardiati Ulfah. 2022. “Instilling The Important Value of Environmental Hygiene in Elementary School Children”. Prosiding Pengembangan Masyarakat Mandiri Berkemajuan Muhammadiyah (Bamara-Mu) 2 (1):135-38. https://proceeding.mbunivpress.or.id/index.php/bamara/article/view/597.