Sophea Chea และ Boonchai Ukritchon. (2011) Optimal design of reinforced concrete Cantilever retaining wall. Chulalongkorn University:ม.ป.ท.Sophea Chea และ Boonchai Ukritchon. 2011. Optimal design of reinforced concrete Cantilever retaining wall. ม.ป.ท.:Chulalongkorn University;Sophea Chea และ Boonchai Ukritchon. Optimal design of reinforced concrete Cantilever retaining wall. ม.ป.ท.:Chulalongkorn University, 2011. Print.