Maria Arul FrancisS., Rajan BabuS.S., RasappanV. and ThiruvengadamV. 2026. AMORPHOUS SILICA-SUPPORTED ZrO2-WO3 MESOPOROUS NANOCOMPOSITE FROM AGRO-INDUSTRIAL WASTE (COCONUT COIR): SUSTAINABLE HETEROGENEOUS CATALYST FOR 4H-CHROMENE SYNTHESIS. Materials and Technology. 60, 1 (Feb. 2026), 31–39. DOI:https://doi.org/10.17222/mit.2025.1437.