Astuti, Diah Laely. “PENGARUH BAURAN PEMASARAN JASA TERHADAP KEPUASAN PENUMPANG KERETA API SERAYU”. Jurnal Ekonomi, Bisnis & Entrepreneurship (e-Journal) 11, no. 2 (March 4, 2021). Accessed November 22, 2024. https://jurnal.stiepas.ac.id/index.php/jebe/article/view/24.