(3GdeSdehf aj GdgfO GdUjfjI (B: s (3ajJfGe(B_(3cGeHhOjG(B_(3dGhhS (B/ s - (3GdJTGeHj, eMeO jMji UGdMs; (3TGcQ, eMehOs ((3HjQhJ (B:s (3GdecJH GdESdGej,s, 1986)
Keywords: (3GdESdGes; (3JGQjN (B_(3GdgfOs