IBRAHIM A. MATTER, OSAMA M. DARWESH, & FAROUK K. EL-BAZ. (2016). Using the natural polymer chitosan in harvesting cenedesmus species under different concentrations and Cultural ph values. International Journal of Pharma and Bio Sciences, 7(4), 254–260. Retrieved from https://ijpbs.in/index.php/journal/article/view/5467