Noor, Mehwish, Bahram Kazemian, Raza E Mustafa, and Fakharh Muhabat. 2015. “Pilot Study for Validity and Reliability of an Aptitude Test”. Journal of Educational and Social Research 5 (3). London, U.K.:285. https://www.richtmann.org/journal/index.php/jesr/article/view/7729.