(3cJGH GdJUhjQ GdVhFi (B/ s - (3gjOLch(B, (3LhJs; (3OGQ WdGSs ([S.N] : (3OGQ WdGS ddOQGSGJ hGdJQLeI , s, 1987)
Keywords: (3GdGJ GdJUhjQs; (3GdJUhjQ Gdedhfs; (3GdJUhjQs; (3GdJUhjQ GdVhFis