admin admin. Samalua Waoma ANALISIS PENGARUH BIAYA OPERASIONAL TERHADAP PROFITABILITAS BERDASARKAN ROA PADA PT. POS INDONESIA (PERSERO) KANTOR POS CABANG TELUKDALAM. Balance [Internet]. 2020Aug.7 [cited 2025Jul.8];3(2). Available from: https://www.jurnal.uniraya.ac.id/index.php/balance/article/view/184