(3WHjYI hNhGU GdehGO (B( (3fXGe (Bsi ) (3L(B1 / s - (3RjLfja O(B.(3eSJQPjHScis; (3YhGO GdRMda (B((3eJQLe(B)s; (3GMeO YHjOs ([S.N] : (3eDSSI Lhf hjdi hGhdGOg ddWHGYI hGdfTQ , s, 1985)
Keywords: (3GdGdcJQhfGJs; (3GdajRjGAs; (3GdGjhfGJs; (3GdajRjGA GdPQjIs; (3ajRjGA GdLhGeOs; (3GdadRGJs; (3GdadRGJ GdMOjOjIs