Wasan Uthaileang. (2014) Pairwise testing applied with online registration. Mahidol university:ม.ป.ท.Wasan Uthaileang. 2014. Pairwise testing applied with online registration. ม.ป.ท.:Mahidol university;Wasan Uthaileang. Pairwise testing applied with online registration. ม.ป.ท.:Mahidol university, 2014. Print.