Chemsripong, Sujinda. “An Economic Analysis of Intra-Industry Trade Between Thailand and Other APEC Countries, 1990-1999”. Asian Health, Science and Technology Reports 12, no. 3 (September 24, 2004): 27–42. accessed August 30, 2026. https://ph03.tci-thaijo.org/index.php/ahstr/article/view/2435.