Lowanichchai, S. .; Prachai, S. .; Chamnanphon, K. .; Rattanasuporn, J. .; Krongsrima, K. .; Chinjoho, P. .; jongmuanwai, benjapuk. Land Use Maps Database System of Water Resources by Application a Smartphone to Smart Farmers’ 4.0. hss.nsru 2021, 8, 13-27.