(3YTQI GjGe ai GdShOGf (B/ s - (3eMeO MSjf gjcds ([S.N] : (3GdeWHYI GdeUQjI , s, 1987)
Keywords: (3JGQjNs; (3GdGMhGd GdGLJeGYjIs; (3GdGMhGd GdSjGSjIs; (3GdShOGfs; (3GdGMhGd GdGbJUGOjIs