Gusrizal, Gusrizal, Firman Shantya Budi, and Dewi Puspita. 2026. “Determination of Paraquat Using Microfluidic Paper-Based Analytical Device (µPAD) Immobilized With P-Hydroxybenzoic Acid Capped Silver Nanoparticles”. Science and Technology Indonesia 11 (1):323-34. https://doi.org/10.26554/sti.2026.11.1.323-334.