Engineering geological characterisation of rock masses for design of excavation method and support system of Tanju Tunnel, West Nusa Tenggara, IndonesiaEdden Umaga Dinata, I Gde Budi Indrawan and Arifudin IdrusE3S Web Conf., 325 (2021) 01004DOI: https://doi.org/10.1051/e3sconf/202132501004