“Cultivation of Microalgae Chlorella vulgaris in Airlift photobioreactor for Biomass Production using commercial NPK Nutrients” (2017) Al-Khwarizmi Engineering Journal, 12(1), pp. 90–99. Available at: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/287 (Accessed: 2 May 2024).