Chen, Z. (2015) “Detection of chlorpyrifos in apples using gold nanoparticles based on surface enhanced Raman spectroscopy”, International Journal of Agricultural and Biological Engineering, 8(5), pp. 113–120. Available at: https://www.ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/1771 (Accessed: 27 February 2026).