Harahap, Zakaria, and Linggariama Linggariama. “Analisis Rasio Profitabilitas Untuk Menilai Kinerja Keuangan Pada PT. PMA”. Management Studies and Entrepreneurship Journal (MSEJ) 5, no. 2 (November 19, 2024): 7988–7998. Accessed July 6, 2025. https://yrpipku.com/journal/index.php/msej/article/view/5534.