(3YHOGdhgGH GdTYQGfi GeGe GdbQf GdYGTQ (B/ s - (3YHOGdMajX aQZdi Ydi GdbQfis ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1985)
Keywords: (3GYdGe GdYQHs; (3GdYdeGA GdeSdehfs; (3GdYdeGA GdYQHs; (3GdGSdGe (B- (3JQGLes; (3YHOGdhgGH GdTYQGfis