Adnan, Arisman, Nurhayati Nurhayati, Maria Erna, Ari Rini, and Ody Saputra. 2020. “Pembuatan Hand Sanitizer Sebagai Salah Satu Upaya Pencegahan Covid-19 Di Kota Pekanbaru, Indonesia”. Unri Conference Series: Community Engagement 2 (December), 325-28. https://doi.org/10.31258/unricsce.2.325-328.