APA
Raj G. B., . (2009). Four decades of research on micro and secondary nutrients and pollutant elements in Andhra Pradesh. Bhopal: Indian Institute of Soil Science.
Chicago
Raj G B, . 2009. Four decades of research on micro and secondary nutrients and pollutant elements in Andhra Pradesh. Bhopal: Indian Institute of Soil Science.
Harvard
Raj G. B., . (2009). Four decades of research on micro and secondary nutrients and pollutant elements in Andhra Pradesh. Bhopal: Indian Institute of Soil Science.
MLA
Raj G B, . Four decades of research on micro and secondary nutrients and pollutant elements in Andhra Pradesh. Bhopal: Indian Institute of Soil Science. 2009.