TY - JOUR AU - Bayaraa, Batkhishig PY - 2018/12/31 Y2 - 2024/03/28 TI - Preface JF - Mongolian Geoscientist JA - Mong. geosci. VL - 0 IS - 47 SE - Preface DO - 10.5564/mgs.v0i47.1060 UR - https://www.mongoliajol.info/index.php/MGS/article/view/1060 SP - 4 AB - <p>No abstract in English</p> ER -