(3JMdjd GdSjGSGJ GdYGeI ai eUQ (B/ s - (3eQcR GdHMhK hGdOQGSGJ GdSjGSjIs ([S.N] : (3ecJHI GdfgVI GdeUQjI , s, 1988)
Keywords: (3GdYGde GdYQHis; (3GdJNWjW GdGbJUGOis; (3GdSjGSIs; (3GdJfejIs; (3GdZPGAs; (3GdeTGcd GdGbJUGOjIs; (3GdSjGSI GdYGeIs; (3GdSjGSI GdOGNdjIs