(3JMQjQ GdebGd (B: (3ajeG jMd hjMQe ef HjJ GdeGd (B/ s - (3Jbi GdOjf Hf GHi HcQ eMeO s; (3aJM Gddg eMeO GdUdjM (B((3JMbjb(B)s ([S.N] : (3OGQ GdhaGA ddWHGYI hGdfTQ hGdJhRjY , s, 1987)
Keywords: (3GdGbJUGO GdGSdGeis