DR. SMARTSON. P. NYONI, and MR. THABANI NYONI. “OPEN DEFECATION RESURGENCE IN TANZANIA? EARLY WARNING SIGNALS FROM THE BOX-JENKINS APPROACH”. JournalNX - A Multidisciplinary Peer Reviewed Journal, vol. 6, no. 10, Jan. 2021, pp. 460-7, https://repo.journalnx.com/index.php/nx/article/view/308.