Hussein, Nizar Jalal Hussein, и Basim. S. A. Al Sulivan. «Measuring Social Interactions Between Some Captive Animals Using Social Network Analysis in Duhok Zoo». International Journal of Environmental Science and Green Technology 1, no. 3 (сентябрь 25, 2025). просмотрено декабрь 31, 2025. http://journals.ayu.edu.kz/index.php/ijesgt/article/view/5780.