"World Encyclopaedia of Cleanliness, Hygiene and Sanitation Education (We-Chase) Vol.8" World Encyclopaedia of Cleanliness Hygiene and Sanitation Education We Chase Vol 8 - "xx, 623-1018p. ; 28cm. ; hbk." - New Delhi Jnanada prakashan. 2016 ISBN: 9788171397044 Dewey Class. No.: 362.1 UTK.3 / 22.362.1 UTK.0.3