Thi Huynh Nhu, N., & Huu Hiep, N. (2017). The effect of pH, dark - light cycle and light colour on the chlorophyll and carotenoid production of Spirulina sp. Asia-Pacific Journal of Science and Technology, 19, 190–197. retrieved from https://so01.tci-thaijo.org/index.php/APST/article/view/83119