Pattamad Panedpojaman และ Thanyawat Pothisiri. (2005) Nonlinear analysis of steel roof frames under fire. Chulalongkorn University:ม.ป.ท.Pattamad Panedpojaman และ Thanyawat Pothisiri. 2005. Nonlinear analysis of steel roof frames under fire. ม.ป.ท.:Chulalongkorn University;Pattamad Panedpojaman และ Thanyawat Pothisiri. Nonlinear analysis of steel roof frames under fire. ม.ป.ท.:Chulalongkorn University, 2005. Print.