Ulfah, Ifadatul, and Kuzairi Kuzairi. “Analisis Bifurkasi Terhadap Model Penyakit Kanker Serviks”. Zeta - Math Journal, vol. 2, no. 2, Nov. 2016, pp. 27-30, doi:10.31102/zeta.2016.2.2.27-30.