(3YGLjGJ feQhO(B:s - (3SaQ,aDGO,s; (3GdYQGbj,ejSQ SYjOs ((3HZOGO(B[(3GdYQGb(B]:s (3eDSSI GdYGeI ddGKGQ hGdJQGK,s, 1987)
Keywords: (3GdGThQjhfs