(1967). Methods and statistical needs for educational planning. Paris: Organization for Economic Cooperation and Development.
Style de citation ChicagoMethods and Statistical Needs for Educational Planning. Paris: Organization for Economic Cooperation and Development, 1967.
Style de citation MLAMethods and Statistical Needs for Educational Planning. Paris: Organization for Economic Cooperation and Development, 1967.
Attention : ces citations peuvent ne pas être correctes à 100%.