Thiti Rajsirisongsri. 2007. Defect reduction in alloy casting industry. Field of Study Engineering Management, Chulalongkorn University;
Thiti Rajsirisongsri. (2007) Defect reduction in alloy casting industry . Chulalongkorn University/Bangkok.
Thiti Rajsirisongsri. Defect reduction in alloy casting industry. . Bangkok:Chulalongkorn University, 2007.
Thiti Rajsirisongsri. (2007) Defect reduction in alloy casting industry . Chulalongkorn University/Bangkok.