(2012). Chemical characteristic, enzyme activity of urease and alkaline phosphatase in a soil amended with sewage sludge and sewage sludge Enrichment with chemical fertilizer. Journal of Water and Soil Conservation, 18(1), 103-123.
MLA
. "Chemical characteristic, enzyme activity of urease and alkaline phosphatase in a soil amended with sewage sludge and sewage sludge Enrichment with chemical fertilizer". Journal of Water and Soil Conservation, 18, 1, 2012, 103-123.
HARVARD
(2012). 'Chemical characteristic, enzyme activity of urease and alkaline phosphatase in a soil amended with sewage sludge and sewage sludge Enrichment with chemical fertilizer', Journal of Water and Soil Conservation, 18(1), pp. 103-123.
VANCOUVER
Chemical characteristic, enzyme activity of urease and alkaline phosphatase in a soil amended with sewage sludge and sewage sludge Enrichment with chemical fertilizer. Journal of Water and Soil Conservation, 2012; 18(1): 103-123.
)