(3fabGJ GdRhLI aj GdJTQjY GdGSdGej (B/ s - (3GdHUQj, YGQa, s ((3HjQhJ, dHfGf (B: s (3GdOGQ GdGSdGejI, (B401 (3g`(B. = 1981.s, 1981)
(3jJVef EQLGYGJ HHdjhLQGajI (B: (3UaMI (B401-408.s
Keywords: (3GdRhGL (B((3abg LYaQj(B)s