ACHMAD DAENGS, GS. The Effect of Relationship Marketing Factors toward Consumer Loyalty of PT. Astra International Tbk - Toyota Kijang Innova: Special on Commercial Car Category I in Surabaya. EKONOMIKA45 :  Jurnal Ilmiah Manajemen, Ekonomi Bisnis, Kewirausahaan, [S. l.], v. 1, n. 1, p. 39–51, 2013. DOI: 10.30640/ekonomika45.v1i1.4. Disponível em: https://jurnaluniv45sby.ac.id/index.php/ekonomika/article/view/4. Acesso em: 28 apr. 2025.