APA
Sudhakumari B, Joseph M.[a], Karthikakuttyamma M & Mathew M. (1994). Evaluation of two extractants for the estimation of available potassium, calcium and magnesium in acid soils under rubber. : Indian Journal of Natural Rubber Research.
Chicago
Sudhakumari B, Joseph M.[a], Karthikakuttyamma M and Mathew M. 1994. Evaluation of two extractants for the estimation of available potassium, calcium and magnesium in acid soils under rubber. : Indian Journal of Natural Rubber Research.
Harvard
Sudhakumari B, Joseph M.[a], Karthikakuttyamma M and Mathew M. (1994). Evaluation of two extractants for the estimation of available potassium, calcium and magnesium in acid soils under rubber. : Indian Journal of Natural Rubber Research.
MLA
Sudhakumari B, Joseph M.[a], Karthikakuttyamma M and Mathew M. Evaluation of two extractants for the estimation of available potassium, calcium and magnesium in acid soils under rubber. : Indian Journal of Natural Rubber Research. 1994.