Lal, S. Textbook of Community Medicine: Preventive and Social Medicine - 3rd ed. - New Delhi CBS Publisher & Distributors Pvt. Ltd. 2013 - xv, 760p. : ill. ; 24 cm. ISBN: 9788123920320 RS 750.00 Subjects--Topical Terms: Community Medicine Dewey Class. No.: 614.44 LAL