Christian Hofstadler และ -. (2017) Calculation of NORMAL CONSTRUCTIONTIME FOR BUILDING CONSTRUCTION PROJECTSWHILST CONSIDERING UNCERTAINTIES. ISEC PRESS:ม.ป.ท.Christian Hofstadler และ -. 2017. Calculation of NORMAL CONSTRUCTIONTIME FOR BUILDING CONSTRUCTION PROJECTSWHILST CONSIDERING UNCERTAINTIES. ม.ป.ท.:ISEC PRESS;Christian Hofstadler และ -. Calculation of NORMAL CONSTRUCTIONTIME FOR BUILDING CONSTRUCTION PROJECTSWHILST CONSIDERING UNCERTAINTIES. ม.ป.ท.:ISEC PRESS, 2017. Print.