Pandam, S. “Essential Innovative Skills for Developing Learners to Become ‘Vocational Innovators’”. Institute of Vocational Education Southern Region 3 Journal (KRIS Journal), vol. 1, no. 2, Dec. 2021, pp. 9-18, https://so08.tci-thaijo.org/index.php/KRIS/article/view/3189.