Yunisvita, Y., I. Imelda, F. Bachri, N. Adnan, and S. Yuliana. “Probability Selection of Dormitory House For Students”. International Journal of Economics and Financial Issues, vol. 8, no. 5, Sept. 2018, pp. 294-9, https://www.econjournals.com/index.php/ijefi/article/view/6934.