APA

Krishnakumar A K, Karthikakuttyamma M & Mathew M. (1986). Rock phosphate as a source of fertilizer for rubber - a review. : Proceedings of the National Seminar on rock phosphate in agriculture, Tamil Nadu Agricultural University, Coimbatore, India, 1986. pp. 229-232.

Chicago

Krishnakumar A K, Karthikakuttyamma M and Mathew M. 1986. Rock phosphate as a source of fertilizer for rubber - a review. : Proceedings of the National Seminar on rock phosphate in agriculture, Tamil Nadu Agricultural University, Coimbatore, India, 1986. pp. 229-232.

Harvard

Krishnakumar A K, Karthikakuttyamma M and Mathew M. (1986). Rock phosphate as a source of fertilizer for rubber - a review. : Proceedings of the National Seminar on rock phosphate in agriculture, Tamil Nadu Agricultural University, Coimbatore, India, 1986. pp. 229-232.

MLA

Krishnakumar A K, Karthikakuttyamma M and Mathew M. Rock phosphate as a source of fertilizer for rubber - a review. : Proceedings of the National Seminar on rock phosphate in agriculture, Tamil Nadu Agricultural University, Coimbatore, India, 1986. pp. 229-232. 1986.