PENGARUH RELATIONSHIP MARKETING DAN LAYANAN PURNA JUAL TERHADAP KEPUTUSAN PEMBELIAN ULANG DI PT. SAMUDERA PURANABILE ABADI BITUNG. Tangkoko: Jurnal Manajemen dan Akuntansi, Bitung, Indonesia, v. 11, n. 2, p. 1–12, 2025. Disponível em: https://ejournal.stiepetrabitung.ac.id/index.php/JT/article/view/19. Acesso em: 21 mar. 2026.