Bhattacharya, S., & Bhattacharya, S. (2005). Fractured states: Smallpox, public health and vaccination policy in British India 1800 - 1947. Orient Longman.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBhattacharya, Sanjoy, और Sanjoy;Harrison Bhattacharya. Fractured States: Smallpox, Public Health and Vaccination Policy in British India 1800 - 1947. Orient Longman, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBhattacharya, Sanjoy, और Sanjoy;Harrison Bhattacharya. Fractured States: Smallpox, Public Health and Vaccination Policy in British India 1800 - 1947. Orient Longman, 2005.
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