Leesing, R. , Papone, T. , Puangbut, M. (2014). 'Effect of Nitrogen and Carbon Sources on Growth and Lipid Production from Mixotrophic Growth of Chlorella sp. KKU-S2 '. World Academy of Science, Engineering and Technology, Open Science Index 88, International Journal of Biotechnology and Bioengineering, 8(4), 369 - 372.