This study aims to determine the effect of the influence of Occupational Supervision and Safety & Health on Work Productivity of the employees of the processing section at PT. Eluan Mahkota Kecamatan Kepenuh Rokan Hulu Regency. The population in this study included all employees at PT. Eluan Mahkota, which numbered 74 people. Primary data is collected by questionnaire as an instrument to proveā¦