HERIYANTO, V.A. et al. 2026. ANALISIS SISA HASIL USAHA (SHU) KOPERASI DI INDONESIA MENGGUNAKAN REGRESI DATA PANEL. E-Jurnal Matematika. 15, 3 (Aug. 2026), 200–205. DOI:https://doi.org/10.24843/MTK.2026.v15.i03.p521.