Gunawan, H. ., and S. . Mujanah. “The Effect of Work Facilities, Work Motivation and Education Level on Employee Performance at J&T Express Sampang (A Study at Four J&T Branches in Sampang Regency)”. International Conference On Economics Business Management And Accounting (ICOEMA), vol. 2, June 2023, pp. 666-80, https://conference.untag-sby.ac.id/index.php/icoema/article/view/3049.