©2013 National Research Council of Thailand
Pornchai Chatkaew. 1993. Study on ergonomic of VDT workers' fatiguePornchai Chatkaew. Faculty of Graduate Studies, Mahidol University;
Pornchai Chatkaew. (1993) Study on ergonomic of VDT workers' fatiguePornchai Chatkaew . Mahidol University/Bangkok.
Pornchai Chatkaew. Study on ergonomic of VDT workers' fatiguePornchai Chatkaew. . Bangkok:Mahidol University, 1993.
Pornchai Chatkaew. (1993) Study on ergonomic of VDT workers' fatiguePornchai Chatkaew . Mahidol University/Bangkok.