Rahma, Nabila Dwi, and Ruzikna Ruzikna. “Analisis Biaya Operasional Dan Pendapatan Dalam Meningkatkan Laba Pada PT. Perkebunan Nusantara V Pekanbaru”. Management Studies and Entrepreneurship Journal (MSEJ) 5, no. 1 (November 20, 2024): 4532–4550. Accessed June 24, 2025. https://journal.yrpipku.com/index.php/msej/article/view/4772.