Tiwari, B. N., J. K. Kuipo, S. Bellucci, and N. Marina. “On Extensions of the Optical Optimization”. American Scientific Research Journal for Engineering, Technology, and Sciences 26, no. 1 (October 22, 2016): 302–313. Accessed May 2, 2024. https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/2140.