Chineenart Prachaiboon และ Kruawun Jankaew. (2014) Lithostratigraphy of the Late Triassic Huai Hin Lat Formation at Amphoe Nam Nao, Changwat Phetchabun. Chulalongkorn University:ม.ป.ท.Chineenart Prachaiboon และ Kruawun Jankaew. 2014. Lithostratigraphy of the Late Triassic Huai Hin Lat Formation at Amphoe Nam Nao, Changwat Phetchabun. ม.ป.ท.:Chulalongkorn University;Chineenart Prachaiboon และ Kruawun Jankaew. Lithostratigraphy of the Late Triassic Huai Hin Lat Formation at Amphoe Nam Nao, Changwat Phetchabun. ม.ป.ท.:Chulalongkorn University, 2014. Print.