S. Muhammed Tahir Ahmed and S. Shamsee Eldin Tahir, “Study of Factors Influence to Poor Attendance for the Second Diagnostic Visit to the Pen Program of Early Detection of Diabetes and Hypertension in PHCCs in Kirkuk, Iraq”, Al-Kitab J. Pure Sci., vol. 3, no. 2, pp. 218–228, Dec. 2022.