Lewis, H. Spencer
Rosicrucian questions and answers with complete history of the rosicrucian order
Supreme Grand Lodge of AMORC, 1977
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Blij, Harm J.. de
Geography : realms, regions, and concepts
John Wiley & Sons, 1994
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Haggett, Peter
Geography: a global synthesis
Prentice-Hall, 2001
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R. Bintarto
Metode analisa geografi
LP3ES, 1991
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Essentials of world regional geography
by Christopher L. Salter ... [et al.]
Saunders College, 2000
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