Duangnakhon, Pairoj, Supakit Thepbundit, and Mingkwan Somphruek. 2018. “Development of Solar Oven for Controlling Fungus in Tea Oil Seeds”. Applied Science and Engineering Progress 11 (1):21-26. https://ph02.tci-thaijo.org/index.php/ijast/article/view/211386.