“Contamination Levels, Occurrence Pattern and Associated Risk of Organophosphate Pesticide Residues in Spices and Herbs Sold in Southern Nigeria”. Journal of the Nigerian Society of Physical Sciences 8, no. 1 (February 16, 2026): 3065. Accessed February 18, 2026. https://journal.nsps.org.ng/index.php/jnsps/article/view/3065.