Kaddar, A., and H. Talibi Alaoui. “Hopf Bifurcation Analysis in a Delayed Kaldor-Kalecki Model of Business Cycle”. Nonlinear Analysis: Modelling and Control 13, no. 4 (October 20, 2008): 439–449. Accessed April 27, 2025. https://journals.vu.lt./nonlinear-analysis/article/view/14550.