MOCH AMINNUDIN; HAMDI SARI MARYONI. PENINGKATAN KINERJA USAHA MELALUI ANALISIS NET PROFIT MARGIN(NPM). EKSYA : Jurnal Ekonomi Syariah, [S. l.], v. 3, n. 1, p. 258–266, 2022. DOI: 10.56874/eksya.v3i1.767. Disponível em: https://jurnal.stain-madina.ac.id/index.php/eksya/article/view/767. Acesso em: 3 aug. 2025.