This report is made on request by Ir. Goenawan coordinator of the soda-ash project of BIRIN. This report will contain the basic results of the surveys performed by the Djawatan Geologi up till 15 August 1961.
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ISBN/ISSN
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Deskripsi Fisik
6 Halaman, 3 Halaman Lampiran, Tanpa Warna, 1 Lemb