Khalid's Civil Pedia 

Hello I am Khalid Bin Alam Asif. I study at Khulna University of Engineering and Technology. I am here to upload various topics about civil engineering
My Facebook id link: https://www.facebook.com/khalid.asif.57343?mibextid=ZbWKwL
My email address: djasif146505@gmail.com 
My phone no(WhatsApp):01875859690
You are always welcome