000 00356nam a2200145Ia 4500
100 _aSharma, Rajesh Kumar
020 _a978-93-9277-101-9
500 _aEducation
942 _cBK
245 _aEducational learning and teaching technology
260 _aDelhi
_bAvon Publications
_c2022
082 _a371.33
_bSha
300 _avi,235
546 _aEnglish
999 _c425031
_d425031