Soiyodthong , S., Jatuporn, C., Suvanvihok, V. and Adithipyangkul, P. 2021. Factors Affecting Supply of Feedstuff Crops in Thailand: A Case Study of Maize and Soybean: Factors Affecting Supply of Feedstuff Crops in Thailand: A Case Study of Maize and Soybean. Faculty of Humanities and Social Sciences Thepsatri Rajabhat University Jounal. 12, 2 (Aug. 2021), 19–32.