Education, training, and the traditional sector / Jacques Hallak and Françoise Caillods. Hallak, Jacques Caillods, Françoise International Institute for Educational Planning. Education Developing countries. Educational planning. LB5 .F85 no. 31 LC2605 370 19 HAE Bibliography: p. 138-143. Paris : Unesco, International Institute for Educational Planning, 1981. 1981. 1981 Text 143 p. ; eng Fundamentals of educational planning ; 31 Developing countries.