Phukapak S, Phukapak C. Design and Development of the Separation and Extraction of Palm Oil by Using Screw Extractor Machine. Applied Science and Engineering Progress [internet]. 2019 Jun. 14 [cited 2026 Aug. 27];12(2):83-94. available from: https://ph02.tci-thaijo.org/index.php/ijast/article/view/211261