বিক্রয়ের জাদু; ক্রেতার মনস্তত্ত্ব বোঝা। | Md. Khalid Hasan | Psychology of Sales | Selling technics

Описание: I'm Khalid Hasan. Transformational speaker & motivator. I have a dream to create a great nation through cognition. Wanna enlightened the dark people. Help mass people across the world. I firmly believe that every human being has unlimited potential. I just want to raise up it. Doing work to motivate about their life.

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