(3efgL GHf YWjI ai JaSjQ GdbQBf GdcQje(B/s - (3YHOGdhgGH YHOGdhgGH aGjOs; (3eMeO YHOGdQMef HjUGQs ((3GdbGgQI (B:s (3GdgjFI GdYGeI dTFhf GdeWGHY GdCejQjI,s, 1973)
.408 - 396 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3efGgL Yde GdJaSjQs; (3GdTQjYI GdESdGejIs