Contact

Publisher :Open Knowledge

Website:https://boulibrary.com/

Md:Mafiqul Islam
editor@jaigs.org

Email:techbook1994@gmail.com

Phone: 01729501286

WhatsApp: +8801729501286

Address: Board Bazar, Gazipur-1705. Dhaka, Bangladesh.

Principal Contact

Md.Mafiqul Islam
Phone 01887329342

Support Contact

Md.Rashed Khan