(3gfQi HQLShf (B/ s - (3ZGdH, eUWais ((3HjQhJ (B:s (3ecJHI GdgdGd,s, 1986)
Keywords: (3GdadSaI GdaQfSjIs; (3fGTDhf cHGQ (B(15-18) (3SfIs