Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
3 ta ish
Noakhali Science and Technology University
Mohammad Ridwan, M. R. Hassan, Amit Debnath +4
Mohammad Ridwan, Afsana Akther, Muhtasib Sarker Tahsin +3
Mohammad Ridwan, Md Rajabul Hassan, Amit Debnath +4