(3ebOeGJ dOQGSI GdeLJeY GdYQHj (B/ s - (3TQGHj, gTGes ((3HjQhJ (B:s (3GdCgdjI ddfTQ h GdJhRjY,s, 1985)
Keywords: (3GdeLJeY GdYQHjs; (3Yde GdELJeGYs