Nkantion, N. U. “Effects of Zinc Oxide Nanoparticle Spiking on Physicochemical Parameters and Substrate-Induced Respiration in Ultisols”. Researchers Journal of Science and Technology, vol. 6, no. 3, Apr. 2026, pp. 1-10, https://rejost.com.ng/index.php/home/article/view/274.