Siwaporn Sorncharean และ Suebskul Phiphobmongkol. (2007) Crack detection on asphaltic concrete road surface images using modified grid cell analysis. Chulalongkorn University:ม.ป.ท.Siwaporn Sorncharean และ Suebskul Phiphobmongkol. 2007. Crack detection on asphaltic concrete road surface images using modified grid cell analysis. ม.ป.ท.:Chulalongkorn University;Siwaporn Sorncharean และ Suebskul Phiphobmongkol. Crack detection on asphaltic concrete road surface images using modified grid cell analysis. ม.ป.ท.:Chulalongkorn University, 2007. Print.