ডঃ মুহম্মদ এনামুল হক. (1964). F936 Frontiers of knowledge .
Chicago Style (17th ed.) Citationডঃ মুহম্মদ এনামুল হক. F936 Frontiers of Knowledge . London, 1964.
MLA (9th ed.) Citationডঃ মুহম্মদ এনামুল হক. F936 Frontiers of Knowledge . 1964.
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