Wright, G. B. (1971). New Techniques for effective sales management. Vikas Publishing House Pvt. Ltd.
Chicago Stili AlıntıWright, George B. New Techniques for Effective Sales Management. Delhi: Vikas Publishing House Pvt. Ltd, 1971.
MLA AlıntıWright, George B. New Techniques for Effective Sales Management. Vikas Publishing House Pvt. Ltd, 1971.
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