APA
(2004). GPS and GIS based model soil fertility map for precise fertilizer recommendations to the farmers of Kerala. Vellanikkara: College of Horticulture, Kerala Agriculture University.
Chicago
2004. GPS and GIS based model soil fertility map for precise fertilizer recommendations to the farmers of Kerala. Vellanikkara: College of Horticulture, Kerala Agriculture University.
Harvard
(2004). GPS and GIS based model soil fertility map for precise fertilizer recommendations to the farmers of Kerala. Vellanikkara: College of Horticulture, Kerala Agriculture University.
MLA
GPS and GIS based model soil fertility map for precise fertilizer recommendations to the farmers of Kerala. Vellanikkara: College of Horticulture, Kerala Agriculture University. 2004.
