1.
Al-Shaikh Hussin S. Primary Colors Red, Yellow, and Blue Use as Self-Cleaning Paints with Layer of Titanium Dioxide. BSJ [Internet]. 1Dec.2019 [cited 4Apr.2020];16(4):0903. Available from: http://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/4506