Kirom, C. “Strategi Marketing Mix Baitul Mal Wa Tamwil (BMT) Unit Gabungan Terpadu (UGT) Sidogiri Pasuruan”. Marâji`: Jurnal Ilmu Keislaman, Vol. 3, no. 1, Sept. 2016, pp. 163-84, http://maraji.kopertais4.or.id/index.php/maraji/article/view/66. Accessed 20 Jan. 2019.