Richard, Evelyn M., and Neema Mori. “Effect of Debtors on Performance of Small and Medium Enterprises”. Operations Research Society of Eastern Africa 8, no. 1 (June 30, 2018): 1-13. Accessed April 24, 2024. https://orseajournal.udsm.ac.tz/index.php/orsea/article/view/68.