00330nam a22001217a 4500020001500000082001600015100002300031245005600054260004900110300001100159650002200170700001600192  a8171694322  a371.9 SIN N  aSingh, Uttam Kumar  aSpecial education /cUttam Kumar Singh, A. K. Nayak  aNew Delhi :b Commonwealth Publishers c2004  a311 p.  aSpecial Education  aNayak, A.K.