N. Sakphet, C. Jitrugtham, A. Bunjan, and C. Pumpuang, “Development of a Garbage Disposal Fee Collection Application: A Case Study of La-ngu Subdistrict Administrative Organization, La-ngu District, Satun Province”, KKU Sci. J., vol. 51, no. 3, pp. 238–256, Oct. 2023.