Sa-ngiamjai A. Efficiency of Biogas Production by Co-Digestion between Water Morning Glory and Sawdust with Goat Manure. Sci. & Eng. Connect [internet]. 2024 Mar. 29 [cited 2025 Aug. 11];47(1):10-25. available from: https://ph04.tci-thaijo.org/index.php/SEC/article/view/7719