Isotope and Geochemistry Characterization of Hot Springs and Cold Springs of Sembalun – Rinjani Area, East Lombok, West Nusa Tenggara – Indonesia oleh Satrio Satrio, Rasi Prasetio, Boy Yoseph Cahya Sunan Sakti Syah Alam, Teuku Yan Waliyana Muda Iskandarsyah, Faizal Muhammadsyah, Mohamad Sapari Dwi Hadian, Hendarmawan Hendarmawan