5 1 20 Analysis of Railway Operational Safety (Case Study of Manggarai Station, Jakarta) A. A. Brata Primary Author J. Arifin Additional Author D. D. Kania Additional Author P. Ricardianto Additional Author I. L. Parakhnenko Additional Author mixed material Ekaterinburg, Russia AIP Publishing 2023 Service Quality of Commuter Electric Train During the Covid-19 Pandemic in Indonesia P. Ricardianto Primary Author Arbie Additional Author S. E. Saputro Additional Author Z. Abidin Additional Author A. D. Galyuk Additional Author mixed material Ekaterinburg, Russia AIP Publishing 2023 Growth Profit and the Impact on Shipping Companies Value in Indonesia Haris Additional Author M. Thamrin Additional Author P. Ricardianto Primary Author M. Soleh Additional Author O. V. Selina Additional Author mixed material Ekaterinburg, Russia AIP Publishing 2023 analisis waktu tunggu dan waktu pelayanan bongkar muat barang dalam petikemas di pelabuhan tanjung priok: analysis of waiting time and loading discharging containers time at tanjung priok seaport Ricky P. Ricardianto Primary Author Asep Suparman Primary Author Yosi Pahala Primary Author mixed material 14112655 Jakarta STMT Trisakti 2008 program dinamis untuk penentuan rute angkutan terpendek pada pt. (persero) Pelni Asep Suparman Primary Author Ricky P. Ricardianto Primary Author mixed material 14112655 Jakarta STMT Trisakti 2008