Nanda Suryadi , Yuswar Z Basri , Tatik Maryanti , Zulhelmi, Islamic Work Ethics as a Mediator of the Influence of Compensation, Career Development, Work Environment and Leadership on the Performance of Islamic Bank Employees in Riau Province Reviewed from Islamic Persfectives, International Journal of Management Sciences and Business Research 08(2019):01-11 DOI: 10.5281/zenodo.3510036