V. T. Ngo, X. T. Vu, V. P. Vu, T. T. Chu, T. T. Do, and T. T. H. Hoang, “A study on the effect of light regime and hydrodynamics regime on producing spirulina biomass in the photobioreactor system (PBR)”, Dong Thap University Journal of Science, no. 16, pp. 88–91, Nov. 2015.