(3cJGH ef ZGH Yfg GdeWQH (B/ s - (3GdKYGdHi (B: (3GHhefUhQ YHOGdedc Hf eMeO Hf GSeGYjd GdfjSGHhQis; (3YHOGdeYjf GdedhMis ([ (3OeTb(B] : s (3WdGS ddOQGSGJ hGdJQLeI hGdfTQ , s, 1987)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3GdHdGZI GdYQHjIs; (3GdTYQ GdZfGFis