Hamrita, Takoi K, and Richard H. Conway. “First Order Dynamics Approaching of Broiler Chicken Deep Body Temperature Response to Step Changes in Ambient Temperature”. International Journal of Agricultural and Biological Engineering, vol. 10, no. 4, July 2017, pp. 13-21, https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/2336.