(3GdGQJHGW Hjf GdhbGFY hGdMce (B/s - (3Ydj eMehO Ydj MehOgs ([(3ecGf GdfTQ ZjQ eMOO(B] :s [(3GdfGTQ ZjQ eMOO(B] (3,s, 2000)
. 117-115 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajIs
Keywords: (3bGfhf GdELQGAGJ GdLfGFjIs