Khanna, O. P. (1987). Industrial engineering and management (9th ed.). Dhanpat Rai &Sons.
Chicago Style aipamenaKhanna, O P. Industrial Engineering and Management. 9th ed. Delhi: Dhanpat Rai &Sons, 1987.
MLA aipamenaKhanna, O P. Industrial Engineering and Management. 9th ed. Dhanpat Rai &Sons, 1987.
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