Bula , Liudmyla, Sofiia Svysenko, and Yuliya Pavlenko. “Influence of Primary Selection Factors on Working Quality Accompanying Dogs”. Bulletin of Sumy National Agrarian University. The series: Livestock, no. 4(43) (December 25, 2020): 148-154. Accessed November 22, 2024. https://snaubulletin.com.ua/index.php/ls/article/view/270.