Charuksathitwong, Ladda, John Dewar Wilson, and Narumol Nirathron. 2013. “Informal Learning for Incremental Product Development and Marketing: A Thai Textile Industry Case Study”. HRD Journal 3 (2). Chonburi, Thailand:31-45. https://so01.tci-thaijo.org/index.php/HRDJ/article/view/11315.