Maulana, Muchsin, Hari Kusnanto, and Agus Suwarni. 2016. “Solid Waste Management at the RS Jogja and RS PKU Muhammadiyah in Jogja”. JKKI : Jurnal Kedokteran Dan Kesehatan Indonesia 7 (1):10-18. https://doi.org/10.20885/JKKI.Vol7.Iss1.art3.