Peyyala Swapna, and Sakirevupalli Venkatramana Reddy. “Structural, Optical & Magnetic Properties of (Fe, Al) Co-Doped Zinc Oxide Nanoparticles”. Nanoscale Reports, vol. 2, no. 1, Feb. 2019, pp. 3 - 16, doi:10.26524/nr1912.