2025. Pengaruh Kualitas Pelayanan, Produk, Dan Harga Terhadap Kepuasan Pelanggan Kereta Api Gajayana. Management Studies and Entrepreneurship Journal (MSEJ). 6, 2 (Feb. 2025), 434–446. DOI:https://doi.org/10.37385/msej.v6i2.7138.