Chuapung , B. , Dokboonnak Groom , N. and Thongkamnush, T. 2022. Guidelines to Create Adding Values for the Homestays for the Elderly Tourists in Tha Kha Sub-District, Amphawa Districh, Samut Songkhram Province . Journal of Graduate School, Pitchayatat, Ubon Ratchathani Rajabhat University. 17, 1 (May 2022), 219–230.