TY - BOOK AU - Murali Krishna,K.V.S.G. AU - Rama Raju,P.V. TI - Environmental sanitation: (social and preventive medicine) SN - 9788183510165 (pbk.) U1 - 628 22 PY - 2009/// CY - New Delhi PB - Reem Pub KW - Sanitation engineering KW - Sanitation, Household KW - Sanitation KW - Purification N1 - Includes bibliographical references and index ER -