Blank, Steven.
The step-by-step guide for building a great company /
Steven Blank, Bob Dorf 
. - Pescadero : K&S Ranch Press,  2012 
. - xxix, 571 p.  ill., tab., schem.  24 cm. 
<br/><label>  ISBN: </label>0984999302 978-0-9849993-0-9