Ariful Hasan-Opu, Editor, doctorsbd.com, editor@doctorsbd.com, Member: BCS, BIJF, BES, NMST


Prothom Alo

1. Ten in one circuite, Date: 6 october 2002

2. Autometic Tubewel Date: 19 January 2003

3. Fire sicuerity System, Date: 8 June 2003

Autometic Tubewel Date: 19 January 2003