Shahadat, H., Akter, S., Sathi, S., Akter, F., Akter, T., Haque, K., … Rahaman, M. (2026). Green Synthesis of Cobalt Oxide Nanoparticles using Averrhoa carambola and Psidium guajava Plant Extract: Characterisation and Photocatalytic Activity Treatment of Organic Dye. Asian Journal of Chemistry, 38(5), 1333–1340. https://doi.org/10.14233/ajchem.2026.35689