Toker, Kerem, and Recep İbrahim Pinar. 2019. “The Mediating Role Effect of Internal Integration Between Long Term Relationship With Suppliers and Customers and Business Performance in Turkey ICI 500 Enterprises”. Brazilian Journal of Operations & Production Management 16 (4):592-604. https://doi.org/10.14488/BJOPM.2019.v16.n4.a5.