(3fXQjI GbJUGOjGJ GdhMOI GSdhH QjGVi (B/ s - (3eJhcd YHGS egdgds; (3gfOQShf (B, (3LjeSs; (3chGfQJ(B, (3QjJTGQOs ([S.N] : (3OGQ GdeQjN ddfTQ , s, 1980)
Keywords: (3GdGbJUGOs; (3fXQjGJs; (3GdQjGVjGJs; (3GdSdhcs; (3GdSdYs; (3GdGMJcGQs; (3QGS GdeGds; (3GdONds; (3GdShbs; (3GdeSJgdcs; (3GdOhGds