Sheekh, M. M. E., Khairy, H. M., & Shenody, R. E. (2014). Effects of crude extract of Microcystis aeruginosa Kütz.on germination, growth and chlorophyll content of Zea mays L. Bangladesh Journal of Botany, 42(2), 295–300. https://doi.org/10.3329/bjb.v42i2.18033