Waehamah, Sofia, Wipa Wangsirikul, and Sarannee U-senyang. 2017. “THE INTERNAL AND EXTERNAL ENVIRONMENTS ANALYSIS OF PRODUCTION AND MARKETING OF THE SALTED KULAO FISH FROM TAK BAI IN NARATHIWAT”. Journal of Technology and Operations Management, May, 137-44. https://e-journal.uum.edu.my/index.php/jtom/article/view/9505.