Botes, M. “Different Logistic Regression Methods Containing Complete or Quasi-Complete Separation in the Sample”. Suid-Afrikaans Tydskrif Vir Natuurwetenskap En Tegnologie / <i>South African Journal of Science and Technology</I&gt;, Vol. 33, no. 1, July 2014, p. 1 bladsy, doi:10.4102/satnt.v33i1.1193.