Reaksputi, R., K. Boonprab, S. Tunkijjanukij, and J. Salaenoi. “Carotenoid Production at Various Salinities in Bacterium Rhodopseudomonas Palustris”. Agriculture and Natural Resources, vol. 53, no. 5, Oct. 2019, pp. 500-5, https://li01.tci-thaijo.org/index.php/anres/article/view/226149.