(3ePcQGJ QMGdI Yf GdeUQjjf hYGOGJge hJbGdjOge ai GdQHY GdGNjQ ef GdbQf GdKGef YTQ (B: s (3ef NdGd hUa GdQMGdI Lhf GfJjS (B/ s - (3SjO GMeO Ydi GdfGUQis; (3GfJjS, Lhfs ((3GdbGgQI (B: s (3GdeLdS GdGYdi ddKbGaI , s, 1997)
Keywords: (3GdQMGdIs; (3GdQMGdI GdZQHjhfs; (3eUQ (B- (3hUa hQMdGJs