“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 December 3, 2024. https://jcofarts.uobaghdad.edu.iq/index.php/jcofarts/article/view/178.