Mitra, S. K. (1978). Governmental instability in Indian states: West Bengal, Bihar, Uttar Pradesh and Punjab. Ajanta Pubs.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMitra, Subrata Kumar. Governmental Instability in Indian States: West Bengal, Bihar, Uttar Pradesh and Punjab. Ajanta Pubs, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMitra, Subrata Kumar. Governmental Instability in Indian States: West Bengal, Bihar, Uttar Pradesh and Punjab. Ajanta Pubs, 1978.
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