Atlas of mineral resources of the ESCAP region. Vol. 8, Bhutan : explanatory brochure
United Nations. Economic and Social Commission for Asia and the Pacific.
United Nations, 1991
 Buku Referensi
Atlas of mineral resaurces of the escap region volume 9: geology and mineral resources of Nepal
United Nations, 1993
 Buku Teks
Concise encyclopedia of mineral resources
editors, Donald D. Carr, Norman Herz
Pergamon Press, 1989
 Buku Referensi
Wang, K.P.
Mineral resources and basic industries in the People's Republic of China / K.P.Wang
Westview Press, 1977
 Buku Teks
Soetaryo Sigit, author
Mineral development in Indonesia
Department of Minessota , 1977
 Buku Teks
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