Prativi, Ayu, Septiana Widi Astuti, and Ahmad Ependi. 2019. “Application of Prefabricated Vertical Drain (PVD) for Basic Soil Stabilization in the Railway Double Track Construction Project at Km 437 + 300 to Km 438 + 500 Gombong, Kebumen”. Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal) 3 (1). https://doi.org/10.37367/jpi.v3i1.61.