Park, K. (2019). Park's textbook of preventive and social medicine (25th.). M/s Banarsidas Bhanot.
Chicago-viite (17. p.)Park, K. Park's Textbook of Preventive and Social Medicine. 25th. Jabalpur: M/s Banarsidas Bhanot, 2019.
MLA-viite (8. p.)Park, K. Park's Textbook of Preventive and Social Medicine. 25th. M/s Banarsidas Bhanot, 2019.
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