Asmaa M. El-Mekawy, Thaana Ali Ali Abatable. 2019. “An Applied Study of the Effect of Air Pollution on Non-Environmentally Friendly Colors of Archaeological Oil Paintings in The Vicinity of the Nubia Museum in Aswan”. International Journal of Advanced Science and Technology 28 (16), 747 -62. http://sersc.org/journals/index.php/IJAST/article/view/1956.