Martin, M.P.L.D., 1982. The effects of nitrogen and spacing on the growth and yield of soyabean (Glycine max. (L) merr.) under coconut. Journal of the National Science Foundation of Sri Lanka, 10(1), pp.73–80.

Martin MPLD. The effects of nitrogen and spacing on the growth and yield of soyabean (Glycine max. (L) merr.) under coconut. Journal of the National Science Foundation of Sri Lanka. 1982;10(1):73–80.

Martin, M. P. L. D. (1982). The effects of nitrogen and spacing on the growth and yield of soyabean (Glycine max. (L) merr.) under coconut. Journal of the National Science Foundation of Sri Lanka, 10(1), 73–80.

1. Martin MPLD. The effects of nitrogen and spacing on the growth and yield of soyabean (Glycine max. (L) merr.) under coconut. Journal of the National Science Foundation of Sri Lanka. 1982;10(1):73-80.

Martin MPLD, ‘The Effects of Nitrogen and Spacing on the Growth and Yield of Soyabean (glycine Max. (L) Merr.) Under Coconut’ (1982) 10 Journal of the National Science Foundation of Sri Lanka 73

Martin, M.P.L.D.. 1982. “The Effects of Nitrogen and Spacing on the Growth and Yield of Soyabean (glycine Max. (L) Merr.) Under Coconut”. Journal of the National Science Foundation of Sri Lanka 10 (1): 73–80.

Martin, M.P.L.D.. “The Effects of Nitrogen and Spacing on the Growth and Yield of Soyabean (glycine Max. (L) Merr.) Under Coconut”. Journal of the National Science Foundation of Sri Lanka 10, no. 1 (1982): 73–80.

Martin, M P L D. “The effects of nitrogen and spacing on the growth and yield of soyabean (Glycine max. (L) merr.) under coconut”. Journal of the National Science Foundation of Sri Lanka, vol. 10, no. 1, 1982, pp. 73–80.