Singh, B. K. (1976). Non-intellectual correlates of academic achievement: Psychological, sociological and educational study. Indian International Publications.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSingh, Baidyanath Kumar. Non-intellectual Correlates of Academic Achievement: Psychological, Sociological and Educational Study. Indian International Publications, 1976.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিSingh, Baidyanath Kumar. Non-intellectual Correlates of Academic Achievement: Psychological, Sociological and Educational Study. Indian International Publications, 1976.
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