Cohen, Yuval, and Shai Rozenes. “Improving Operational Measures in a Financial Institute Call Center: A Case Study”. Brazilian Journal of Operations & Production Management 14, no. 2 (July 23, 2017): 204-209. Accessed April 19, 2019. https://bjopm.emnuvens.com.br/bjopm/article/view/V14N2A8.