Asmaa M. El-Mekawy, T. A. A. A. (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 - 762. Retrieved from http://sersc.org/journals/index.php/IJAST/article/view/1956