Musa Abubakar Bilya1 , Mujahid Hassan Sani. “Natural User Interface a Tool in Physics Learning”. International Journal of Emerging Trends in Science and Technology 3, no. 03 (March 31, 2016): 3759–3762. Accessed February 28, 2025. http://igmpublication.com/ijetst.in/index.php/ijetst/article/view/1045.