A State‐of‐Art Review of the Metal Oxide‐Based Nanomaterials Effect on Photocatalytic Degradation of Malachite Green Dyes and a Bibliometric Analysis. - Umar, Ehtisham; Ikram, Muhammad; Haider, Junaid; Nabgan, Walid; Imran, Muhammad; Nazir, Ghazanfar (Global Challenges, 2023)