(3GdecKaGJ(B((3JMSjf eYGed GdbOQI(B) (3ai GdcJGH GdQGHY (B/ s - (3YHOGdefYe ehSis ([S.N] : (3OGQ GdQGJH GdLGeYjI , s, 1994)
Keywords: (3GdgfOSI GdcgQHjIs