(3GdeacQhf GdeSdehf ai ehGLgI GdefWb GdjhfGfi(B: (3fbO YdeGA GdeSdejf defWb GQSWh hehGRfJI HefWb GdadGSaI GdZQHjjf (B/ s - (3eUWai WHGWHGFis; (3YHOGdQMje edGRfi GdHdhTis ([S.N] : (3OGQ GHf MRe , s, 1990)
Keywords: (3GdadSaI GdGSdGejIs; (3GdadSaIs; (3adSaI GQSWhs