T. Laphitchayangkul, A. Bhatsada, and K. Wangyao, “Application of Low-cost Unmanned Aerial Vehicle for Accurate Mapping: Case Study at King Mongkut’s University of Technology Thonburi, Ratchaburi Residential College”, Sci. & Eng. Connect, vol. 43, no. 3, pp. 311–324, Sep. 2020.