(3GdeSjMjI h GdJhQGg (B: s (3HMK aj GdLPhQ GdOjfjg dUQGY GdTQb GdChSW (B/ s - (3ebGQ, Tajbs ((3djeGShd(B-(3dfOf (B:s (3QjGV GdQjS ddcJH hGdfTQ,s, 1992)
Keywords: (3GdjghOjIs; (3GdUgjhfjIs; (3GdeSjMjIs