/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: abdulrahmanmahmud5 https://cdn.slidesharecdn.com/profile-photo-abdulrahmanmahmud5-48x48.jpg?cb=1523658068 Graduate Engineer BEM Bach. Of Engineering (BioProcess) , UPM Ms. Sc. Environmental Engineering (Risk Assesment) UPM Certified Profesional Erosion and Sediment Control (CPESC) USA