Maryono, Tri, Machfud Machfud, and Lukman M Baga. “Efisiensi Kantor Cabang Bank (Studi Kasus: Kantor Kas Bank XYZ Di DKI Jakarta)”. Jurnal Aplikasi Bisnis dan Manajemen (JABM) 4, no. 2 (May 10, 2018): 240. Accessed August 10, 2020. http://journal.ipb.ac.id/index.php/jabm/article/view/21335.