00375nam a2200121Ia 4500008004100000040001600041041001200057082001400069100001200083245010500095260003600200300001700236230917s9999||||xx |||||||||||||| ||und||  e81678aMAIN  aEnglish  a372 R187C  aRath, R 0aCognitive abilities and school achievement of the socially disadvantaged children in primary schools  aBombaybAllied Publishersc1979  aviii, 167 p.