Ole-Meiludie, Elikanami, Sizwe Mashinini, Chun-Sung Huang, and Kanshukan Rajaratnam. “A Comparative Study On The Effects Of Market Crisis And Recessions On The Performance Of Defensive Sectors”. Journal of Applied Business Research (JABR) 30, no. 5 (August 27, 2014): 1501-1512. Accessed September 6, 2020. https://clutejournals.com/index.php/JABR/article/view/8803.