“A Review on the Effect of Transition and Rare Earth Metal Doping on the Color Change Property of Nanoparticles Used in Sensors”. International Journal of Multidisciplinary Global Research, vol. 2, no. 4a (Special Issue), Dec. 2025, pp. 114-27, https://ijmgr.igrf.co.in/index.php/ijmgr/article/view/216.