ministry of Water Resources and Irrigation. (2006). National Water Research Center. ministry of Water Resources and Irrigation.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)ministry of Water Resources and Irrigation. National Water Research Center. Cairo: ministry of Water Resources and Irrigation, 2006.
MLA -ийн эшлэл (9 дэх хэвлэлт)ministry of Water Resources and Irrigation. National Water Research Center. ministry of Water Resources and Irrigation, 2006.
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