Journal of Mining and Earth Sciences
Publishing Office - Hanoi University of Mining and Geology
No.18 Vien Street - Duc Thang Ward - Bac Tu Liem District - Ha Noi
Tel: (+84-24) 3219 1509 Fax: (+84-24) 3838 9633 
Email: jmes@humg.edu.vn
Journal of Mining and Earth Sciences Publishing Office - Hanoi University of Mining and Geology No.18 Vien Street - Duc Thang Ward - Bac Tu Liem District - Ha Noi Tel: (+84-24) 3219 1509 Fax: (+84-24) 3838 9633 Email: jmes@humg.edu.vn