000 00305pam a2200109a 44500
040 _aP K Kelkar Library, IIT Kanpur
100 _a
245 0 _aThe education of dull children at the secondary stage
260 _aUniversity Of London Press
_bLondon
_c1963
300 _a224p
997 _a30171 C
999 _c450458
_d450458