APA
Karthikakuttyamma M, . (1997). Effect of continuous cultivation of rubber (Hevea brasiliensis) on soil properties. : Ph.D. Thesis, University of Kerala, Trivandrum, India, 176 p.
Chicago
Karthikakuttyamma M, . 1997. Effect of continuous cultivation of rubber (Hevea brasiliensis) on soil properties. : Ph.D. Thesis, University of Kerala, Trivandrum, India, 176 p.
Harvard
Karthikakuttyamma M, . (1997). Effect of continuous cultivation of rubber (Hevea brasiliensis) on soil properties. : Ph.D. Thesis, University of Kerala, Trivandrum, India, 176 p.
MLA
Karthikakuttyamma M, . Effect of continuous cultivation of rubber (Hevea brasiliensis) on soil properties. : Ph.D. Thesis, University of Kerala, Trivandrum, India, 176 p. 1997.