Windarko, W., Lastro, D., Iskandar, Y. and Mala, C. M. F. . (2023) “The Impact Of Employee Performance On Employee Productivity: Based On The Work Environment, Standard Operating Procedures (SOP), And Work Discipline”, International Journal of Business, Law, and Education, 4(2), pp. 960 - 970. doi: 10.56442/ijble.v4i2.265.