N. Tongpong, N. . Hengrasmee, T. Nongharnpitak, K. . Puangkoom, P. . Sa-ngiamsak, and P. . Khamprasit, “Improvement of pedestal for universal design surrounding Forest Resource Management Office No.7, Government Center, Khon Kaen Province”, BEE Journal, vol. 4, no. 2, pp. 23–32, Sep. 2021.