(3ef CQTja GdHMK GdLfGFj Gdjefj(B.s (3GdLRA GdChd (B/s - (3efUhQ, MehOs ((3UfYGA (B:s (3MehO efUhQ ;s (3OeTb (B:s (3OGQ GdacQ ddWHGYI hGdJhRjY hGdfTQ,s, 1987)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdbUU GdGLJeGYjIs -- (3Gdjefs