SOYSA, E. and FERNANDO, W., 1992. A FIELD CLASSICATION OF LOW VALUE CORUNDUM IN SRI LANKA. Journal of the National Science Foundation of Sri Lanka, 20(1), pp.51–57. DOI: http://doi.org/10.4038/jnsfsr.v20i1.8058

SOYSA E, FERNANDO W. A FIELD CLASSICATION OF LOW VALUE CORUNDUM IN SRI LANKA. Journal of the National Science Foundation of Sri Lanka. 1992;20(1):51–7. DOI: http://doi.org/10.4038/jnsfsr.v20i1.8058

SOYSA, E., & FERNANDO, W. (1992). A FIELD CLASSICATION OF LOW VALUE CORUNDUM IN SRI LANKA. Journal of the National Science Foundation of Sri Lanka, 20(1), 51–57. DOI: http://doi.org/10.4038/jnsfsr.v20i1.8058

1. SOYSA E, FERNANDO W. A FIELD CLASSICATION OF LOW VALUE CORUNDUM IN SRI LANKA. Journal of the National Science Foundation of Sri Lanka. 1992;20(1):51-57. DOI: http://doi.org/10.4038/jnsfsr.v20i1.8058

SOYSA E and FERNANDO W, ‘A FIELD CLASSICATION OF LOW VALUE CORUNDUM IN SRI LANKA’ (1992) 20 Journal of the National Science Foundation of Sri Lanka 51 DOI: http://doi.org/10.4038/jnsfsr.v20i1.8058

SOYSA, ESK, and WS FERNANDO. 1992. “A FIELD CLASSICATION OF LOW VALUE CORUNDUM IN SRI LANKA”. Journal of the National Science Foundation of Sri Lanka 20 (1): 51–57. DOI: http://doi.org/10.4038/jnsfsr.v20i1.8058

SOYSA, ESK, and WS FERNANDO. “A FIELD CLASSICATION OF LOW VALUE CORUNDUM IN SRI LANKA”. Journal of the National Science Foundation of Sri Lanka 20, no. 1 (1992): 51–57. DOI: http://doi.org/10.4038/jnsfsr.v20i1.8058

SOYSA, Eand W FERNANDO. “A FIELD CLASSICATION OF LOW VALUE CORUNDUM IN SRI LANKA”. Journal of the National Science Foundation of Sri Lanka, vol. 20, no. 1, 1992, pp. 51–57. DOI: http://doi.org/10.4038/jnsfsr.v20i1.8058