(3GdTQY GdOhdi ai GdGSdGe (B/ s - (3fLjH GdGQefGRis ([S.N] : (3QjGV GdQjS ddcJH hGdfTQ , s, 1990)
Keywords: (3GdGSdGes; (3GdNdGaIs; (3GdTQjYI GdGSdGejIs; (3GdGSdGe hGdbGfhf GdOhdis; (3GdGSdGe hGdSjGSIs