Ramadhan, Doni, 		Setiadji, Bagus, AND 		Riyanto, Bambang.
" ANALISIS TRACK QUALITY INDEX (TQI) BERDASARKAN STANDAR KERETA API INDONESIA, POLANDIA DAN INDIA   (STUDI KASUS LINTAS BRUMBUNG - KEDUNGJATI)" <em>Jurnal Darma Agung</em> [Online], Volume 31 Number 5 (31 October 2023)