Junmee, Supinya, Hathaikarn Hathaikarn, Nipaborn Chusinuan, and Wilaiwan Twishsri. 2021. “The Study of Supply Chain Model of Coconut Production in Prachuap Khiri Khan, Chumphon and Surat Thani Provinces”. Thai Agricultural Research Journal 39 (2). https://doi.org/10.14456/thaidoa-agres.2021.17.