Hussein I. The impact of customer citizenship behavior on enhancing marketing capabilities An analytical study of the opinions of managers in a number of private health institutions in Dohuk governorate. HJUOZ [Internet]. 2022 Dec. 30 [cited 2024 Dec. 22];10(4):1015-30. Available from: https://hjuoz.uoz.edu.krd/index.php/hum/article/view/904