Hidayati, B., N. Yamamoto, H. Kano, A. Suman, and A. Manzilati. “Social Capital in Moneylenders Phenomenon in Blimbing Traditional Market Malang Indonesia”. International Journal of Economics and Financial Issues, vol. 7, no. 3, June 2017, pp. 57-61, https://www.econjournals.com/index.php/ijefi/article/view/4373.