Hadi, Asist .instructor. Enas. “Classifiying English Books By Using Association Rules”. ALUSTATH JOURNAL FOR HUMAN AND SOCIAL SCIENCES, no. 225 (3) (June 1, 2018): 305-324. Accessed November 20, 2019. http://alustath.uobaghdad.edu.iq/index.php/UJIRCO/article/view/215.