Aceng Sambas, Sukono, Sundarapandian Vaidyanathan, Sen Zhang, Yuyun Hidayat, Gugun Gundara. “Coexisting Chaotic Attractors and Bifurcation Analysis in a New Chaotic System With Close Curve Equilibrium Points ”. International Journal of Advanced Science and Technology, Vol. 29, no. 06, May 2020, pp. 3329 -, http://sersc.org/journals/index.php/IJAST/article/view/14072.