Kumar, Mukesh. Recycling of sewage and fly ash on land / Mukesh Kumar - New Delhi : Jawaharlal Nehru University, 1990. Ph.D - SES, JNU, 1990. ISBN: THISBN2691 Subjects--Topical Terms: Refuse as fuel. Index Terms--Genre/Form: Theses Dewey Class. No.: 662.87 / K9604 Re