00308nam a22001097a 4500020000600000022000600006050001700012100001900029245010300048250000600151260004100157  a0  a0  aHC 59.7 1971  aGavin W. Jones  aeffects of population change on the attainment of educational goals in the developing countriesb0  a0  abaltimorebjohns hopkins pressc1971