TY - BOOK AU - Robindra Nath Roy TI - Mahajan and Gupta Textbook of Preventive and Social Medicine, U1 - 610.075 PY - 2013/// PB - Jaypee KW - Basic concepts in community medicine, KW - Epidmiological approach in preventive & social medicine, KW - Physical environmental water & housing UR - https://online.fliphtml5.com/lluzx/jpdr/ ER -