Country | |
Publisher | |
ISBN | 9789797098025 |
Format | PaperBack |
Language | Bahasa |
Year of Publication | 2014 |
Bib. Info | 104p. Include Index |
Categories | Calderas -- Sumatera Utara. Volcanoes -- Sumatera Utara. Geological surveys -- Sumatera Utara. |
Product Weight | 248 gms. |
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