Surattachon Chauytook. (2009) Optimization of bridge management and maintenance plan /. Kasetsart University,:ม.ป.ท.Surattachon Chauytook. 2009. Optimization of bridge management and maintenance plan /. ม.ป.ท.:Kasetsart University,;Surattachon Chauytook. Optimization of bridge management and maintenance plan /. ม.ป.ท.:Kasetsart University, 2009. Print.