Daniel Ekstr และ -. (2015) Industrial Bridge Construction: Need for a More Effective Bridge Construction Process. ISEC Press:ม.ป.ท.Daniel Ekstr และ -. 2015. Industrial Bridge Construction: Need for a More Effective Bridge Construction Process. ม.ป.ท.:ISEC Press;Daniel Ekstr และ -. Industrial Bridge Construction: Need for a More Effective Bridge Construction Process. ม.ป.ท.:ISEC Press, 2015. Print.