BASUKI, Basuki. Pengaruh Harga, Promosi, dan Kualitas Pelayanan terhadap Loyalitas Pelanggan PT. Kereta Api Indonesia. Jurnal Pendidikan dan Konseling (JPDK), [S. l.], v. 4, n. 6, p. 5443–5457, 2022. DOI: 10.31004/jpdk.v4i6.9141. Disponível em: https://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/9141. Acesso em: 15 dec. 2025.