Analisis Efisiensi Biaya Operasional Terhadap PendapatanPerusahaan XYZ. Community Engagement and Emergence Journal (CEEJ), [S. l.], v. 7, n. 2, p. 1910–1922, 2026. DOI: 10.37385/ceej.v7i2.11719. Disponível em: https://journal.yrpipku.com/index.php/ceej/article/view/11719. Acesso em: 10 aug. 2026.