(3GMcGe GjLGQ GdYbGQ aj GdbGfhf GdeOfj GdYQGbj Qbe (B40 (3dSfI (B1951 : s (3OQGSI YedjI eYRRI HbQGQGJ eMceI GdJejjR eY GdJYOjdGJ GdGNjQI dbGfhf GjLGQ GdYbGQ Qbe (B87 (3dSfI (B1979 / s - (3GdQHjYj, LeYI SYOhf, s ((3HZOGO (B[(3GdYQGb(B] : s (3TQcI GH ddWHGYI GdeMOhOI (B991.s, 1991)
(3jJVef GQLGYGJ HHdjhLQGajI(B.s
Keywords: (3YbhO GdGjLGQs -- (3bhGfjf hJTQjYGJs -- (3GdYQGb(B.s; (3GdeGdc hGdeSJCLQs -- (3bhGfjf hJTQjYGJs -- (3GdYQGb(B.s; (3GdbGfhf GdeOfjs -- (3GdYQGb(B.s