LEUNUPUN, Pieter. ANALISIS PIUTANG DAN BIAYA USAHA TERHADAP LABA PERUSAHAAN. PELUANG, [S. l.], v. 10, n. 2, 2019. Disponível em: https://ojs.ukim.ac.id/index.php/peluang/article/view/84. Acesso em: 13 jun. 2026.