Sahrul Ramadhan, Nurhayati, dan Puji Muniarty. Analisis Perbandingan Net Profit Margin (NPM) Antara PT. Phapros Tbk. Dengan PT. Pyridam Farma Tbk. jtm [Internet]. 2022Aug.7 [cited 2025Jul.27];3(6):53-9. Available from: https://ojs.cahayamandalika.com/index.php/jtm/article/view/899