AL-Mashhadani, Mahmood K. H., and Entisar Mohsin Khudhair. 2017. “Experimental Study for Commercial Fertilizer NPK (20:20:20+TE N: P: K) in Microalgae Cultivation at Different Aeration Periods”. Iraqi Journal of Chemical and Petroleum Engineering 18 (1): 99-110. https://doi.org/10.31699/IJCPE.2017.1.8.