(3YdGbGJ GdEfJGL hGdGYJeGO Ydi GdPGJ aj GdhWf GdYQHj (B/s - (3eSYhO, eLjO gGOjs ((3GdchjJ (B:s (3GdeYgO GdYQHj ddJNWjW ;s (3fjbhSjG (B:s (3OGQ GdTHGH,s, 1987)
Keywords: (3GdEfJGL GdUfGYjs -- (3GdHdGO GdYQHjIs; (3GdHdGO GdYQHjIs -- (3SjGSI GbJUGOjIs; (3GdHdGO GdYQHjIs -- (3CMhGd GbJUGOjIs