Bedi, Yash Pal A Hand book of social preventive medicine: for medical and public health students/ Yash Pal Bedi - 15th ed. - Amritsar: Anand Pub, 1988 - 539 p.: ill.; 20 cm. Includes index ISBN: Rs. 55.00 Subjects--Topical Terms: Public healthMedicine, PreventiveHuman servicesSanitation Dewey Class. No.: 614