"Roy, A. K. (1975). The spring thunder and after: "a survey of the maoist and ultra-leftist movements in india,1962-75". Minerva associates publishers.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি"Roy, Asish Kumar". The Spring Thunder and After: "A Survey of the Maoist and Ultra-leftist Movements in India,1962-75". Minerva associates publishers, 1975.
M.L.A (9 ম সংস্করণ) উদ্ধৃতি"Roy, Asish Kumar". The Spring Thunder and After: "A Survey of the Maoist and Ultra-leftist Movements in India,1962-75". Minerva associates publishers, 1975.
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