“Sistem Management Of Medical Solid Waste In The Midwife In The Puskesmas Pangkalan Kasai Districts Seberida Districts Indragiri Hulu Year 2020”. 2021. Jurnal Kesehatan Komunitas (Journal of Community Health) 7 (2): 254-62. https://jurnal.htp.ac.id/index.php/keskom/article/view/770.