Sundhararajan, R., et al. “Formulation and Evaluation of Hydrogel Incorporated With Zinc Oxide Nanoparticles Mediated By Cassia Fistula L.Flower Extract For Anti-Aging Property”. Adolescência E Saúde, Sept. 2026, pp. 1076-88, https://adolescenciaesaude.com/index.php/aes/article/view/2409.