Obermayer, J., & James Obermayer. Managing sales leads: Turning cold prospects into hot customers. [Chicago, Ill.],Mason, Ohio,[Chicago, Ill.]: American Marketing Association,Thomson/South-Western,Racom Communications.

Obermayer, James, و James Obermayer. Managing Sales Leads: Turning Cold Prospects Into Hot Customers. [Chicago, Ill.],Mason, Ohio,[Chicago, Ill.]: American Marketing Association,Thomson/South-Western,Racom Communications.

Obermayer, James, و James Obermayer. Managing Sales Leads: Turning Cold Prospects Into Hot Customers. [Chicago, Ill.],Mason, Ohio,[Chicago, Ill.]: American Marketing Association,Thomson/South-Western,Racom Communications.