Mfon, R E, Z Al Amri, W. E Mfon, and N I Odiaka. 2022. “Effect of Biosynthesized Zinc Oxide Nanoparticles on the Vegetative Growth of Amaranthus Cruentus Plants”. EDUCATUM Journal of Science, Mathematics and Technology 9 (1):58-71. https://doi.org/10.37134/ejsmt.vol9.1.6.2022.