Sakunpet อลงกรณ์, Intaravicha ณัฐกร, and Maksuwan อติรัฐ. 2020. “Application of Geographic Information System for Evaluating Agricultural Potential Land Class in Nakhon Nayok Province”. Journal of Vocational Institute of Agriculture 4 (2):36-48. https://li01.tci-thaijo.org/index.php/JVIA/article/view/243481.