Ahmad started following the work of Rafiq Hijazi, Al Ain University of Science and Technology, Business administration, Faculty Member,Ahmad started following the work of Dr. Ezz Abdelfattah, King AbdulAziz University (KAU) Jeddah, Saudi Arabia, Statistics, Faculty Member.
Ahmad added a document and 7 conference presentations : A First Course in Biostatistics Using IBM-SPSS (Book) 2013,