KUSMAWATI. PENGARUH BIAYA R&D BIAYA IKLAN TERHADAP KINERJA LABA. Jurnal Keuangan dan Bisnis, [S. l.], v. 18, n. 1, p. 179–190, 2021. Disponível em: http://103.165.236.247/index.php/jkb/article/view/52. Acesso em: 19 sep. 2024.