K. Vadivellu, E. Osman, and Sheela Chandren, “Hollow Silica-Encapsulated TiO2 Functionalized with pH-Responsive Poly(acrylic acid) for Photocatalytic Degradation of Bisphenol A”, JOMALISC, vol. 4, no. 2, pp. 90–101, Nov. 2025.