Solving educational problems : the theory and reality of innovation in developing countries / by R. G. Havelock and A. M. Huberman ; a study prepared for the International Bureau of Education. (IBE studies and surveys in comparative education)
Solving educational problems : the theory and reality of innovation in developing countries / by R. G. Havelock and A. M. Huberman ; a study prepared for the International Bureau of Education.
(IBE studies and surveys in comparative education)