(3GdJYGhf GdYScQj GdYQHj (B: s (3JGQjNg (B. (3GgejJg (B. (3JfXjeg (B. (3GgOGag (B/ s - (3eUWai, MSf, s 1914-1961(3, s ((3HjQhJ (B[(3dHfGf(B] : s (3efThQGJ OGQ GdWdjYI (B965.s, 1965)
(3jJVef edGMb(B.s
(3jJVef GQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdSjGSI GdYScQjIs -- (3GdHdGO GdYQHjI(B.s; (3GdGef Gdbhejs -- (3GdHdGO GdYQHjI(B.s; (3GdGMdGa GdYScQjIs -- (3GdHdGO GdYQHjI(B.s