000 00305nam a2200109Ia 4500
100 _aSampath, K, Pannirselvam, A & Santhanam, S
942 _cBK
245 _aIntroduction to educational technology
260 _aSterling Publishers Private Limited, New Delhi
_c(n.d.)
082 _a371.3 Sam
300 _a280
999 _c21152
_d21152