Vasileva, Ivanina A., Juliana G. Ivanova, and Liliana G. Gigova. “Selection of Nitrogen Source Affects the Growth and Metabolic Enzyme Activities of Chlorella Vulgaris (Beijerinck) Strain R-06/2 (Chlorophyta)”. Archives of Biological Sciences 72, no. 2 (July 1, 2020): 291–300. Accessed August 15, 2022. https://www.serbiosoc.org.rs/arch/index.php/abs/article/view/5101.