DOI: https://doi.org/10.4038/jnsfsr.v15i1.8309 | Journal eISSN: 2362-0161
Language: English
Page range: 87 - 99
Published on: Jan 31, 1987
Published by: National Science Foundation of Sri Lanka
In partnership with: Paradigm Publishing Services
Keywords:
© 1987 R.P. Gunawardane, published by National Science Foundation of Sri Lanka
This work is licensed under the Creative Commons License.
