L. Khongsichan, K. Phumivanichakit, S. . Sansook, and M. Jaeleema, “Study on the Photocatalytic Activity of ZnO and Ag/ZnO Nanoparticles Synthesized via Green Chemistry using Psidium guajava L. Leaf Extract”, Journal of Science, Agriculture and Technology, vol. 4, no. 1, pp. 37–53, Jun. 2025.