FA. Purba, R. ., and M. . Isa Indrawan. “Analysis of the Effect of Employee Welfare Levels and Punishments on Employee Performance With Work Discipline As Intervening Variables in Staff of RM. Djoelham Binjai Hospital”. SINOMIKA Journal: Publikasi Ilmiah Bidang Ekonomi Dan Akuntansi, vol. 2, no. 2, July 2023, pp. 337-52, doi:10.54443/sinomika.v2i2.1314.