(3GdJYdjb Ydi fUhU bGfhf GdGKHGJ (B: s (3YHA GdGKHGJ, GdeMQQGJ GdQSejI hGdYQajI, GdGbQGQ hGdjejf, GdbQGFf hGdMLjI, GdNHQI hGdGKHGJ HTgGOI GdTghO (B/ s - (3GHh GdhaG, GMeO, s ((3GdGScfOQjI (B[(3eUQ(B] : s (3efTGI GdeYGQa (B978.s, 1978)
(3jJVef EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdGKHGJ (B((3bGfhf(B)s -- (3eUQ(B.s; (3GdbGfhf GdeOfjs -- (3eUQ(B.s