WIDYASTUTIE, E.; QOMARIAH, N.; MARTINI, N. The Effect Of Supervision And Standard Operational Procedures (SOP) On Employee Performance With Work Discipline As An Intervening Variable. EKOMBIS REVIEW: Jurnal Ilmiah Ekonomi dan Bisnis, v. 13, n. 3, p. 2145–2160, 24 jun. 2025.