Suwannaphuma, Sompong, Siriporn Phungphet, and Luckhana Suksai. 2020. “Factors Affecting the Promotion of Agriculture Household Income in Chaiyaphum Province”. Governance Journal 9 (2):357-79. https://so01.tci-thaijo.org/index.php/gjournal-ksu/article/view/245344.