Afdoli, D. I., Lutfiani, M., & Sonani, N. (2026). Analisis Implementasi SOP Terhadap Efektivitas Kinerja Perusahaan Pada PT Rukun Mitra Sejati. Management Studies and Entrepreneurship Journal (MSEJ), 7(2), 1529–1538. https://doi.org/10.37385/msej.v7i2.10309