Hallak, Jacques Education, training, and the traditional sector / by Jacques Hallak and Francoise Caillods - Paris : UNESCO, 1981 - 143 p. ; 21 cm. - Fundamentals of educational planning ; 31 . ISBN: 9280310976 (pbk.) Subjects--Topical Terms: Education--Developing countriesEducational planning Dewey Class. No.: 371.207