000 00464 a2200181 4500
003 ISURa
008 141212b xxu||||| |||| 00| 0 eng d
020 _a0863114059
041 _aEnglish
082 _a371.33
_bWAT
100 _aWatts , Eleanor
245 _aThe blackboard book
260 _c1993
_aHyderabad
_bSangam Books
_g1993
300 _c27 cm.
_a[vi] , 125 p.
650 _aEducation
650 _a Teaching equipment
_aTeaching aids
942 _cLN
_2ddc
999 _c16356
_d17903