SILALAHI, D.; MANULLANG, R. R.; MEDINAL. ANALISIS PENGARUH RELATIONSHIP MARKETING TERHADAP KEPUTUSAN PEMBELIAN PADA TOKO BUKU GRAMEDIA PANGKALPINANG. Jurnal Progresif Manajemen Bisnis, [S. l.], v. 10, n. 2, p. 138–143, 2023. Disponível em: https://e-jurnal.stie-ibek.ac.id/index.php/JIPMB/article/view/291. Acesso em: 19 apr. 2025.