Muliawati, N.T. et al. 2025. Eco-Friendly Ultrasound-Assisted Synthesis of Silver Nanoparticles Mediated by Tea Leaf Extracts and Their Potential Applications. Hydrogen: Jurnal Kependidikan Kimia. 13, 5 (Nov. 2025), 951–961. DOI:https://doi.org/10.33394/hjkk.v13i5.18213.