Sirisyos Kijmongkolvanich, Siriphong Sirisawat, Songwut Egwutvongsa. Creative Thinking: The Development of Lifelong Learning With the Principle of Andragogy for The Elderly Group in Northern Thailand. kuey [Internet]. 2024 Apr. 16 [cited 2024 May 16];30(4):2403-1. Available from: http://kuey.net/index.php/kuey/article/view/1162