DOI: https://doi.org/10.4038/jnsfsr.v20i1.8052 | Journal eISSN: 2362-0161
Language: English
Page range: 1 - 6
Published on: Jun 29, 1992
Published by: National Science Foundation of Sri Lanka
In partnership with: Paradigm Publishing Services
© 1992 K CHITRAVADIVELU, published by National Science Foundation of Sri Lanka
This work is licensed under the Creative Commons License.