Chandrasena, J.P.N.R., 1987. Rice-field weeds in the Colombo and Gampaha districts of Sri Lanka. Journal of the National Science Foundation of Sri Lanka, 15(2), pp.249–265. DOI: http://doi.org/10.4038/jnsfsr.v15i2.8299

Chandrasena JPNR. Rice-field weeds in the Colombo and Gampaha districts of Sri Lanka. Journal of the National Science Foundation of Sri Lanka. 1987;15(2):249–65. DOI: http://doi.org/10.4038/jnsfsr.v15i2.8299

Chandrasena, J. P. N. R. (1987). Rice-field weeds in the Colombo and Gampaha districts of Sri Lanka. Journal of the National Science Foundation of Sri Lanka, 15(2), 249–265. DOI: http://doi.org/10.4038/jnsfsr.v15i2.8299

Chandrasena JPNR, ‘Rice-field Weeds in the Colombo and Gampaha Districts of Sri Lanka’ (1987) 15 Journal of the National Science Foundation of Sri Lanka 249 DOI: http://doi.org/10.4038/jnsfsr.v15i2.8299

Chandrasena, J. P. N. R.. 1987. “Rice-field Weeds in the Colombo and Gampaha Districts of Sri Lanka”. Journal of the National Science Foundation of Sri Lanka 15 (2): 249–65. DOI: http://doi.org/10.4038/jnsfsr.v15i2.8299

Chandrasena, J. P. N. R.. “Rice-field Weeds in the Colombo and Gampaha Districts of Sri Lanka”. Journal of the National Science Foundation of Sri Lanka 15, no. 2 (1987): 249–65. DOI: http://doi.org/10.4038/jnsfsr.v15i2.8299

Chandrasena, J. P. N. R.. “Rice-field Weeds in the Colombo and Gampaha Districts of Sri Lanka”. Journal of the National Science Foundation of Sri Lanka, vol. 15, no. 2, 1987, pp. 249–65. DOI: http://doi.org/10.4038/jnsfsr.v15i2.8299