Wasachai Limpanawan. 1999. Cost of quality in catering equipment manufacturing process. Program of Engineering Management, Chulalongkorn University;
Wasachai Limpanawan. (1999) Cost of quality in catering equipment manufacturing process . Chulalongkorn University/Bangkok.
Wasachai Limpanawan. Cost of quality in catering equipment manufacturing process. . Bangkok:Chulalongkorn University, 1999.
Wasachai Limpanawan. (1999) Cost of quality in catering equipment manufacturing process . Chulalongkorn University/Bangkok.