Hawes, Hubert William Richmond Lifelong education, schools and curricula in developing countries / H.W.R. Hawe. - Hamburg : UNESCO. Institute for Education, 1975. - 146 p. - UIE Monographs ; 4 . ISBN: 9282010074 No. de Clasificación Universal Decimal: 374.014. 22 (-77)=20 HAW No.4.