614.44SIN 1273 Singh, Awadh Lal Manual of preventive and social medicine / Awadh Lal Singh and Guneshwar Singh . – 2nd ed . – Patna : Scientific Book Company, 1978. 384 p. ISBN : Rs. 16/ -. Subjects--Topical Terms: COMMUNITY HEALTH Dewey Class. No.: 614.44 / SIN