Aldira Mara Ditta Caesar Purwanto and Maria Novita Apriyani, “Education For Waste Management of Covid-19 Medical Mask in Pamotan Village, Porong District, Sidoarjo Regency”, VSJ | Veteran Society : Jurnal Pengabdian Masyarakat , vol. 3, no. 1, pp. 26–35, May 2022.