000 00354nam a2200157Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c150
040 _aBPED
082 _a371 VEN N
100 _aVENKATIAH, N.
_94338
245 0 _aEDUCATIONAL TECHNOLOGY
260 _bAPH PUBLICATION
_aNEW DELHI
300 _a234p.
500 _a1200
942 _cBK
999 _c5212
_d5212