BADRIAH, Elis; EVA FARIDAH; PURNAMASARI; ASEP NURWANDA. Pengaruh Biaya Variabel Terhadap Margin Kontribusi. Maro: Jurnal Ekonomi Syariah dan Bisnis, [S. l.], v. 6, n. 2, p. 377–384, 2023. DOI: 10.31949/maro.v6i2.7387. Disponível em: https://www.ejournal.unma.ac.id/index.php/maro/article/view/7387. Acesso em: 30 apr. 2025.