Bank al-Markazī al-Yamanī. Research Dept. Foreign trade statistics of Yemen Arab Republic. Central Bank of Yemen. Research Dept.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBank al-Markazī al-Yamanī. Research Dept. Foreign Trade Statistics of Yemen Arab Republic. Sana'a: Central Bank of Yemen. Research Dept.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBank al-Markazī al-Yamanī. Research Dept. Foreign Trade Statistics of Yemen Arab Republic. Central Bank of Yemen. Research Dept.
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