Saman Rizwan, Ishtiaq A. Qazi and Derk Bakker (trans.) (2021) “Effect of Titania (TiO2) Nanoparticles on the Growth of Spinach (Spinacia oleracea) Under Differing Soil Conditions”, Pakistan Journal of Analytical & Environmental Chemistry, 22(1), pp. 60–73. doi:10.21743/pjaec/2021.06.08.