public function byOrganizationWithYear($id)
  {
    // return $this->Period->where('organization_id', '=', $id)->with('year')->get(); -> Evitar los with

    $periods = $this->DB->connection($this->databaseConnectionName)
      ->table('ACCT_Period As p')
      ->join('ACCT_Fiscal_Year AS f', 'f.id', '=', 'p.fiscal_year_id')
      ->where('p.organization_id', '=', $id)
      ->get(array('p.id', 'p.month', 'f.year'));

    return new Collection($periods);
  }