(3Ojf hOhdI (B/ s - (3Ydi LQjTIs ([S.N] : (3OGQ GdhaGA ddWHGYI hGdfTQ hGdJhRjY , s, 1988)
Keywords: (3GdGbJUGOs; (3GdeLJeY GdGSdGejs; (3GdYbjOIs; (3GdTQjYIs