(3GdeZhd HjFJge GdWHjYjI hMjGJge GdGLJeGYjI hGdOjfjI (B/ s - (3SYO Hf eMeO MPjaI GdZGeOi (B.s ([S.N] : (3OGFQI GdGYdGe , s, 1990)
Keywords: (3JGQjNs; (3GdJGQjN GdGSdGeis; (3GdeZhd hGdJJGQs