DOI: https://doi.org/10.4038/jnsfsr.v16i1.8275 | Journal eISSN: 2362-0161
Language: English
Page range: 23 - 37
Published on: Jan 31, 1988
Published by: National Science Foundation of Sri Lanka
In partnership with: Paradigm Publishing Services
Keywords:
© 1988 U. Weerakkody, published by National Science Foundation of Sri Lanka
This work is licensed under the Creative Commons License.