Think two products ahead :secrets the big advertising agencies don't want you to know and how to use them for bigger profits
Essentials of entrepreneurship :what it takes to create successful enterprises
The bear necessities of business :building a company with heart
To the limits : pushing yourself to the edge-in adventure and in business / James M. Clash
Menjadi entrepreneur sukses / Purdi E. Chandra
Entrepreneur dan entrepreneurship / Winardi
Pengantar kewiraswastaan / Soesarsono Wijandi