RISKA AINUR ROSYIDA; ZULFAA GUNAWAN; ZAHRA GUNAWAN; CYNTHIA EKA VIOLITA. Menilai Efisiensi Operasional Perusahaan melalui Net Profit Margin dalam Tinjauan Kritis Berbasis Literatur. MUQADDIMAH: Jurnal Ekonomi, Manajemen, Akuntansi dan Bisnis, [S. l.], v. 4, n. 1, p. 144–155, 2026. DOI: 10.59246/muqaddimah.v4i1.1775. Disponível em: https://ejurnalqarnain.stisnq.ac.id/index.php/MUQADDIMAH/article/view/1775. Acesso em: 10 mar. 2026.