APA
Singh M. V., . (2008). Micro and secondary nutrients and pollutant elements research in India. Bhopal: Indian Institute of Soil Science.
Chicago
Singh M V, . 2008. Micro and secondary nutrients and pollutant elements research in India. Bhopal: Indian Institute of Soil Science.
Harvard
Singh M. V., . (2008). Micro and secondary nutrients and pollutant elements research in India. Bhopal: Indian Institute of Soil Science.
MLA
Singh M V, . Micro and secondary nutrients and pollutant elements research in India. Bhopal: Indian Institute of Soil Science. 2008.