Mahajan B K & M C Guptha. (2005). Textbook of preventive and social medicine (3.). Jaypee brothers.
Chicago Style aipamenaMahajan B K and M C Guptha. Textbook of Preventive and Social Medicine. 3. Jaypee brothers, 2005.
MLA aipamenaMahajan B K and M C Guptha. Textbook of Preventive and Social Medicine. 3. Jaypee brothers, 2005.
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