GUNAWAN, Yusuf. Merek Ditolak? (Barang dan/ Jasa Tidak Sejenis). Jurnal Pendidikan dan Konseling (JPDK), [S. l.], v. 5, n. 1, p. 3526–3535, 2023. DOI: 10.31004/jpdk.v5i1.11496. Disponível em: https://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/11496. Acesso em: 16 dec. 2025.