Mfon, Rebecca Emmanuel, Simon R Hall, and Andrei Sarua. “Effect of Ocimum Gratissimum Plant Leaf Extract Concentration and Annealing Temperature on the Structure and Optical Properties of Synthesized Zinc Oxide Nanoparticles”. EDUCATUM Journal of Science, Mathematics and Technology 7, no. 1 (January 31, 2020): 1–13. Accessed March 29, 2024. https://ojs.upsi.edu.my/index.php/EJSMT/article/view/3095.