Analisis kebijakan penguasaan dan pemanfaatan teknologi persinyalan Kereta Api berbasis Komputer (Computer Based Interlocking) di PT. LEN = Policy analysis on mastering and utilizing the Railway signaling technology based computers (Computer based Interlocking) at PT. LEN / Luluk Nurhidayati - Luluk Nurhidayati, author (2013)