Hamid Safa และ mehdi ravanshadnia. (2016) The Technical and Economic feasibility study of using Smart phones in construction site management. ISEC Press:ม.ป.ท.Hamid Safa และ mehdi ravanshadnia. 2016. The Technical and Economic feasibility study of using Smart phones in construction site management. ม.ป.ท.:ISEC Press;Hamid Safa และ mehdi ravanshadnia. The Technical and Economic feasibility study of using Smart phones in construction site management. ม.ป.ท.:ISEC Press, 2016. Print.