APA-čujuhus (7. p.)

Isichei, A. O. (2014). Nitrogen Fixation by Blue-Green Algal Soil Crusts in Nigerian Savanna.

Chicago-čujuhus (17. p.)

Isichei, A. O. Nitrogen Fixation by Blue-Green Algal Soil Crusts in Nigerian Savanna. 2014.

MLA-čujuhus (9. p.)

Isichei, A. O. Nitrogen Fixation by Blue-Green Algal Soil Crusts in Nigerian Savanna. 2014.

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