Tohutoro APA (7th ed.)
Pal, B., & Das, K. (2009). Engineering mathematics-IV (4th.ed.rev.). U.N.Dhur.
Tohutoru Kātū Chicago (17th ed.)
Pal, B.K, me K. Das. Engineering Mathematics-IV. 4th.ed.rev. Kolkata: U.N.Dhur, 2009.
Tohutoro MLA (9th ed.)
Pal, B.K, me K. Das. Engineering Mathematics-IV. 4th.ed.rev. U.N.Dhur, 2009.
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