ISBN 9781569736258 books & textbook
The Next 4 Billion: Market Size and Business Strategy at the Base of the Pyramid
Hammond, Allen L. Kramer, William J. Katz, Robert S. Tran, Julia T. Walker, Courtland
World Resources Inst /2007-03-19 Paperback / 151 Pages
isbn-10: 1569736251 / isbn-13: 9781569736258
