Yang Xiaokai. Economic Development And The Division Of Labor / [Xiaokai Yang] With A Foreword By Jeffrey D. Sachs. - Malden Ma : Blackwell Publishers 2003. - XXIV 636 P. : ILL. MAP 26 CM. - 0 . ENG ISBN: 0631220038 (Alk. Paper) 0631220046 (Pb. : Alk. Paper)