ใสเกื้อ อ. (2013). Isolation of Acidotolerant/Acidophilic Photosynthetic Bacteria from Peat Soils in Nakhon Si Thammarat Province and the Promoting of Biomass and 5-Aminolevulinic Acid Production by Plackett-Burman Technique. Progress in Applied Science and Technology, 3(2), 75–89. Retrieved from https://ph02.tci-thaijo.org/index.php/past/article/view/243236