Afriani, L. ., Siregar , M. A. ., & Hidayat, E. O. . (2021). Study of Soil Improvement and Slope Protection on the Double Track Engineering Design Between Giham- Martapura. International Journal of Sciences: Basic and Applied Research (IJSBAR), 55(2), 103–115. Retrieved from https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/12270