Dhammahansakul, N., S. Channuwong, S. Dhammahansakul, T. Phongoen, and S. Theppha. “New Body of Knowledge In Services Creating Satisfaction of Buddhist People Towards Pilgrimage at the Four Holy Places of Buddhism: A Case Study of the Project of Division of Internal Security Operations Command, Region 4”. Rajapark Journal, vol. 14, no. 36, Oct. 2020, pp. 241-53, https://so05.tci-thaijo.org/index.php/RJPJ/article/view/246796.