physics education n tutorial
contact plz. Abu Obaida (bipu) phone .8801714352926
BSC (hons) Physics , Pgd in IT from Khulna Univ.
.png "Abu Obaida (bipu)hysics lecture")
physics education n tutorial
contact plz. Abu Obaida (bipu) phone .8801714352926
BSC (hons) Physics , Pgd in IT from Khulna Univ.
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