Somkid, S., Thongros, M., chansrakoo, W., Phompanja, P., Kumsap, K., Lersuwanaro, D., & Karnnasuta, K. (2021). System development of organic cassava starch supply chain of Ubon Ratchathani farmers . Thai Agricultural Research Journal, 39(1). https://doi.org/10.14456/thaidoa-agres.2021.7