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   foreach my $d (@{$array_of_hashes}) {
    print $d[0]{'one1'};    
   }

   foreach my $h (@{$array_of_hashes}) {
    print $h->{'one1'};    
   }

    print $array_of_hashes[0]{'one1'};    
    print $array_of_hashes[0]{'one2'};    
    print $array_of_hashes[1]{'two1'};    
    print $array_of_hashes[1]{'two2'};

    print $array_of_hashes->[0]{'one1'};    
    print $array_of_hashes->[0]{'one2'};    
    print $array_of_hashes->[1]{'two1'};    
    print $array_of_hashes->[1]{'two2'};

my %hash;
my @array;
...
push @array, \%hash;
...
push @array, \%hash;

my @array;
{
...
   ...
   push @array, \%hash;
}