(3GdTQcGJ GdJLGQjI(B:(3TQcGJ GdeSGgeI hGdJhUjI HGdGSge hGdTQcGJ PGJ GdeSFhdjI GdeMOhOI (B/ s - (3Ydi MSf jhfSs ([S.N] : (3aDGO gGTe GdcJHi , s, 1991)
Keywords: (3GdbGfhfs