TY - BOOK T1 - How effective is schooling in promoting learning a review of the research. T2 - World Bank staff working paper A1 - Simmons, John LA - English PP - Washington PB - International Bank for Reconstruction and Development YR - 1975 UL - https://ds.mainlib.upd.edu.ph/Record/UP-99796217610741517 OP - 80 CN - HC 59 I59 no. 200 KW - Educational research : Underdeveloped areas. ER -