(2012). Comparison of Monitoring of Drought Using SPI, DI and PNI and Zoning Them (Case study: Northern Khorasan Province). Journal of Water and Soil Conservation, 17(1), 177-184.
MLA
. "Comparison of Monitoring of Drought Using SPI, DI and PNI and Zoning Them (Case study: Northern Khorasan Province)". Journal of Water and Soil Conservation, 17, 1, 2012, 177-184.
HARVARD
(2012). 'Comparison of Monitoring of Drought Using SPI, DI and PNI and Zoning Them (Case study: Northern Khorasan Province)', Journal of Water and Soil Conservation, 17(1), pp. 177-184.
VANCOUVER
Comparison of Monitoring of Drought Using SPI, DI and PNI and Zoning Them (Case study: Northern Khorasan Province). Journal of Water and Soil Conservation, 2012; 17(1): 177-184.
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