Riska Ainur Rosyida, Zulfaa Gunawan, Zahra Gunawan, Cynthia Eka Violita. Menilai Efisiensi Operasional Perusahaan melalui Net Profit Margin dalam Tinjauan Kritis Berbasis Literatur. MUQADDIMAH [Internet]. 2026 Jan. 2 [cited 2026 Mar. 10];4(1):144-55. Available from: https://ejurnalqarnain.stisnq.ac.id/index.php/MUQADDIMAH/article/view/1775