পরিচিতি অপরিচিত : আধুনিক তথ্যের নতুন দিগন্ত

?????? ????, ???? ??????? ?????? ?????? ????? ???? ????????? ?????????? ????, ????? ????-????? ???? ???? ? ???? ????????? ???? ???? ??????? ???? ????? ?????????, ??????, ????????? - ?? ?????? ??? ????? ???? ??????? ??????????? ? ?????? ?????? ???? ???????, ???? ???? ???????? ???????? ???? ????? ??????? ????? ????-?????? ????? ??????, ???? ????????

read more

চেরনোবিল দুর্ঘটনা

???????? ????????: ???? ?????????? ?????? ??????? ???? ????? ?? ??????, ??????? ???????? ????????? ????????? ?????????? ????? ???? ??????? ???????? ??????????? ??????? ??????????? ?????? ???????? ??? ??????? ??????? ?????? ????????? ????????? ??? ??????? ?????????? ??? ????????? ????? ????????? ????????? ????? ????? ?????? ??????????? ???????? ???

read more