Laopaiboon, Pattana, and Lakkana Chanawongse. 2013. “Effect of pH upon Solvent Production in Batch Cultures of Clostridium Acetobutylicum in Cane Molasses”. Engineering and Applied Science Research 23 (1):63-76. https://ph01.tci-thaijo.org/index.php/easr/article/view/8079.