African Association of science. (1990). Directory of scholarly journals published in Africa: A preliminary survey. Academy Science.
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Chicago Style (17th ed.) Zitazioa
African Association of science. Directory of Scholarly Journals Published in Africa: A Preliminary Survey. Nairobi: Academy Science, 1990.
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MLA (9th ed.) Zitazioa
African Association of science. Directory of Scholarly Journals Published in Africa: A Preliminary Survey. Academy Science, 1990.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.