00502nam a2200133Ia 450000500170000008000180001710000200003524501560005526000950021130000140030658300190032094200120033999900170035120260716043120.0 a06.02.01 C952 aCrouch, Luis A. aExamining social and economic impacts of educational investment and participation in developing countres : the educational impacts model (EIM) approach bBasic Research and Implementation in Developing EducationSystemsaCambridge, Mass.USc1992 aiv, 38 p. c3/7/00kM2LMGR cMmC952 c40613d40613