Krairak, Nisa, and Somchai Krairak. “The Carotenoids Production from Rhodopseudomonas sp. OS33-UV13-5 Cultivated in Chitin Medium”. Suan Sunandha Science and Technology Journal 12, no. 2 (July 15, 2025): 64–71. accessed July 17, 2025. https://li02.tci-thaijo.org/index.php/ssstj/article/view/1013.