Usha Mathew & Alice Abraham. (1999). Status and Impact of Heavy Metals in Selected Soils and Crops of Kerala. Department of Soil Science and Agricultural Chemistry, College of Agriculture.
Chicago Edition CitationUsha Mathew and Alice Abraham. Status and Impact of Heavy Metals in Selected Soils and Crops of Kerala. Vellayani: Department of Soil Science and Agricultural Chemistry, College of Agriculture, 1999.
MLA Edition CitationUsha Mathew and Alice Abraham. Status and Impact of Heavy Metals in Selected Soils and Crops of Kerala. Department of Soil Science and Agricultural Chemistry, College of Agriculture, 1999.
Warning: These citations may not always be 100% accurate.