Rashidi Othman, NorazianMohd.Hassan , Ainaa Eliah Abu Bakar, NurHidayahNoh , NurrulhidayahAhmadFadzillah  and Noraini Mahmad (2019) “Manipulation of Environmental Stress Towards Lutein Production in Chlorella fusca Cell Culture”, Journal of Pharmacy and Nutrition Sciences , 9(5), pp. 251–257. doi: 10.29169/1927-5951.2019.09.05.3.