(3GdSjO gfLQ hGdGSO (B/ s - (3jhSa GdTQjas; (3MSjf ZGHI (B((3QShe(B)s ([S.N] : (3GdOGQ GdYQHjI ddcJGH , s, 1988)
Keywords: (3GdGWaGds; (3GdbUU GdYQHjI GdbUjQIs; (3GdbUUs; (3bUU GdGWaGds