The Psychology of Selling1986
how to sell more, easier, and faster than you ever thought possible
by Brian Tracy
Ben shu nei rong bao kuo:xiao shou de nei zai bo yi,She li bing shi xian quan bu xiao shou mu biao,Ren men yin he er gou mai,Chuang yi xiao shou,Yue jian geng duo de ke hu,Cheng gong xiao shou de shi da guan jian deng.
— from OpenLibrary
12 editions at OpenLibrary