D. Mondal, D. Mahata, K. Mandy Hansda, S. Mondal, and A. Das, “Potential Use of Green Synthesized Al2O3 (Alumina) Nanoparticles from Guava Leaves (Psidium guajava) for the Removal of Methylene Blue from Wastewater”, ajc, vol. 33, no. 6, pp. 1304–1308, Jun. 2021.