K. Sujada, T. Srinuea, N. Tikam, K. Buayoi, and waraduang Sommanasak, “Study on the arrangement of the Chiang Rai ASEAN Flower Expo 2020 at the Kok Riverside Garden Chiang Rai”, JOPA CRRU, vol. 5, no. 2, pp. 29–42, Dec. 2022.