Roy, A. K. (1975). The Spring thunder and after: A survey of the "MAOIST" and "ULTRA-LEFTIST" movements in India: 1962-75. Minerva Associates (Pubs.).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRoy, Asish Kumar. The Spring Thunder and After: A Survey of the "MAOIST" and "ULTRA-LEFTIST" Movements in India: 1962-75. Minerva Associates (Pubs.), 1975.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRoy, Asish Kumar. The Spring Thunder and After: A Survey of the "MAOIST" and "ULTRA-LEFTIST" Movements in India: 1962-75. Minerva Associates (Pubs.), 1975.
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