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. Humanities and Social Sciences Nakhonsawan Rajabhat University Academic Journal 2021, 8, 13-27.