Anggraini, Febbryanti Dwi, Yenni Sofiana Tambunan, and Sriayu Aritha Panggabean. “Analisis Biaya Terhadap Profitabilitas: Studi Kasus Pada CV. Bayu Mulia Lestari Kabupaten Tapanuli Tengah”. Jurnal Ekonomi Bisnis Digital 4, no. 3 (November 30, 2025): 97–103. Accessed September 27, 2026. https://jebidi.itscience.org/index.php/jebidi/article/view/395.