Barthwal, R. (2002). Industrial economics: An introductory textbook (2nd ed.). New Age.
Dyfyniad Arddull ChicagoBarthwal, R.R. Industrial Economics: An Introductory Textbook. 2nd ed. New Delhi: New Age, 2002.
Dyfyniad MLABarthwal, R.R. Industrial Economics: An Introductory Textbook. 2nd ed. New Age, 2002.
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