Arunakumara, K., Xuecheng, Z., & Yijing, Z. (2008). Growth and pigment biosynthesis of <i>Spirulina platensis</i> as affected by Pb<sup>2+</sup> concentrations. Bangladesh Journal of Botany, 36(2), 177–179. https://doi.org/10.3329/bjb.v36i2.1509