(3GNWGA jLH Gf JUMM ai GdJGQjN LRjQI GdYQH GdLRA GdGhd SjQI ghO hUGdM hTYjH hSdjeGf Yde GdSdGe hGUMGH GdGgOhO hGUMGH GdMfHd (B/ s - (3haGA eMeO QaYJ LeYIs; (3haGA eMeO GHQGgjes; (3LeGd YHOGdgGOi eMeO eSYhOs ([S.N] : (3GdhaGA ddWHGYI hGdfTQ , s, 1990)
Keywords: (3GdJGQjN GdGSdGeis; (3GdbUU GdbQBfjIs