Open Universityearth's Physical Resources Course Team & Open University, E. P. (1974). Implications. Open university press.
Citação norma ChicagoOpen Universityearth's Physical Resources Course Team and Earth's Physic Open University. Implications. Open university press, 1974.
Citação norma MLAOpen Universityearth's Physical Resources Course Team and Earth's Physic Open University. Implications. Open university press, 1974.
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