Open Universityearth's Physical Resources Course Team & Open University, E. P. (1974). Implications. Open university press.
Chicago Edition CitationOpen Universityearth's Physical Resources Course Team and Earth's Physic Open University. Implications. Open university press, 1974.
MLA Edition CitationOpen Universityearth's Physical Resources Course Team and Earth's Physic Open University. Implications. Open university press, 1974.
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