000 00436nam a2200181Ia 4500
005 20250619145311.0
008 250619s9999||||xx |||||||||||||| ||und||
020 _a8122408338
_c195
040 _aMAIN
041 _aEnglish
082 _a370
_bKUM
100 _aKumar, K.L.
245 0 _aEducational technology
260 _aNew Delhi
_b; New Age International
_c, 1996
300 _ax,337p.
650 _aEducation
942 _cBK
999 _c126830
_d126830