(3TQM bGfhf GdGLQGA (B/ s - (3MGaX, Ydj eXaQ, s ((3HZOGO (B[(3GdYQGb(B] : s (3TQcI GdfTQ hGdWHGYI GdYQGbjI GdeMOhOI (B369(3g`(B. = 1950.s, 1950)
(3jJVef GQLGYGJ HHdjhLQGajI(B.s
Keywords: (3bGfhf GdGLQGAGJ GdLfGFjIs -- (3GdYQGb(B.s