Khanam, Zeba, Ibtsam Riaz, Adeel Rasheed, and Rashid Jalil. 2021. “Fabrication and Identification of Graphene Layers on Silicon Dioxide and Flexible PMMA Substrates: Graphene Fabrication”. Proceedings of the Pakistan Academy of Sciences: A. Physical and Computational Sciences 53 (4):431-45. https://ppaspk.org/index.php/PPAS-A/article/view/253.