NAHASON SITOHANG; MARIA FRANSISKA LAIM ONGGUR. Pengaruh Persaingan terhadap Penjualan di Warung Koki Kaki Lima Cakung . Master Manajemen, [S. l.], v. 2, n. 4, p. 168–177, 2024. DOI: 10.59603/masman.v2i4.690. Disponível em: https://ejournal-nipamof.id/index.php/MASMAN/article/view/690. Acesso em: 16 jan. 2025.