Tohutoro APA (7th ed.)
Chopra, A. (2011). Material management: Bba, 4th semester, wbut. Kalyani Publishers.
Tohutoru Kātū Chicago (17th ed.)
Chopra, Amit. Material Management: Bba, 4th Semester, Wbut. Kolkata: Kalyani Publishers, 2011.
Tohutoro MLA (9th ed.)
Chopra, Amit. Material Management: Bba, 4th Semester, Wbut. Kalyani Publishers, 2011.
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