THAKUR DEVENDRA. (1993). MARKETING PRINCIPLES AND TECHNIQUES. DEEP & DEEP PUBLICATIONS.
Chicago-viite (17. p.)THAKUR DEVENDRA. MARKETING PRINCIPLES AND TECHNIQUES. NEW DELHI: DEEP & DEEP PUBLICATIONS, 1993.
MLA-viite (9. p.)THAKUR DEVENDRA. MARKETING PRINCIPLES AND TECHNIQUES. DEEP & DEEP PUBLICATIONS, 1993.
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