Thongprasit P, Yuphong S, Poolkrajang A. The development of a soft skills model through self-learning for front-line service employees in service’s business. JHS.TRU [Internet]. 2020 May 10 [cited 2024 May 1];14(2):97-108. Available from: https://so03.tci-thaijo.org/index.php/trujournal/article/view/240392