SIVASWAROOP , P., and P. N. S. MADHURI. “HIV/AIDS Awareness Among IGNOU Learners: A Sample Study of Andhra Pradesh Learners ”. Asian Journal of Distance Education, Vol. 7, no. 1, Jan. 2009, pp. 14-20, https://asianjde.com/ojs/index.php/AsianJDE/article/view/136.