NURI ZULFA ELINA; ELIDA FLORENTINA SINAGA SIMANJORANG; FADZIL HANAFI ASNORA. PENGARUH DIFERENSIASI PRODUK, KUALITAS PRODUK DAN CITRA MEREK TERHADAP LOYALITAS KONSUMEN PADA KUE TRADISIONAL SERABI PAK RAJA DI NEGERI LAMA. JOEL: Journal of Educational and Language Research, [S. l.], v. 1, n. 11, p. 1529–1538, 2022. DOI: 10.53625/joel.v1i11.2696. Disponível em: https://mail.bajangjournal.com/index.php/JOEL/article/view/2696. Acesso em: 5 jul. 2025.