Yelwa Mohammed, and Awe Emmanuel Omoniyi. “Impact of Informal Financial Sector (IFS) on Small And Medium Scale Enterprises (SMEs) in Nigeria”. Abuja Journal OF ECONOMICS AND ALLIED FIELDS, vol. 6, no. 2, Apr. 2018, pp. 48-59, https://uniabj.com/index.php/ajeaf/article/view/71.