“Characteristics of Melody Structure of the Cello and Contrabass in Works of Iraqi Symphony Orchestra: تقى سعد جعفر”. Al-Academy , no. 91 (March 25, 2019): 307–324. Accessed January 5, 2026. https://www.jcofarts.uobaghdad.edu.iq/index.php/jcofarts/article/view/178.