S. . Channamtum, W. . Yongmanitchai, and D. . Chonudomkul, “Optimization of Growth and Hydrocarbon Production from a Green Microalga Botryococcus braunii by Plackett-Burman Design and Response Surface Methodology”, Agr. Nat. Resour., vol. 49, no. 1, pp. 67–79, Feb. 2015.