Herman, Bohuslav The optimal international division of labour / Bohuslav Herman ; foreword by Jan Tinbergen . - Geneva : International Labour Office, 1975 . - X-155 p. : Couv.ill. en coul. ; 25 cm. - A wep study . ISBN: 9221012867 Source: 40108 Achat Universal Decimal Class. No.: 330.191.6