Phol-in, S., D. Kamkalong, A. Jaturapiree, and P. Jaturapiree. “Poly (3-hydroxybutyrate) production from glycerol by marine microorganisms”. Asia-Pacific Journal of Science and Technology, vol. 17, no. 4, Apr. 2017, pp. 573-9, https://so01.tci-thaijo.org/index.php/APST/article/view/83269.