000
00281nam a22000977a 4500
999
_c
6223
_d
6222
100
_a
Md. Khairul Alam Shobuj (PME 110827)
245
_a
Study on Mine GAS Detection and Dust Contrlling System at Barapukuria Coal Mine Dinajpur Bangladesh
260
_c
2016
300
_a
30
942
_c
BK