Vol. 6 No. 3 (1972)

Articles

• Matriks Fundamental II

  Achmad Arifin

  65-73

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• Rhizosphere Cyanophyceae of Soybean Inoculated with Rhizobium Japonicum

  U. Suriawiria

  75-80

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• The Origin of Several Pyroclastic Plateaux in the Padang Highlands (Central Sumatra) (Preliminary Paper)

  M.T. Zen

  81-88

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• Photographic Photometry of NGC 6866

  B. Hidajat, W. Sutantyo

  90-103

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