00353nam a22001097a 4500020001500000082001400015100002300029245006300052260003900115300003800154650005100192  a8176254568  a371.9 VIJ  aVijay Pratap Singh  aProblems of educational backwardness /cVijay Pratap Singh  aNew Delhi :b Sarup & Sons, c2004  a273 pages : illustrations ; 23 cm  aChildren with mental disabilities -- Education