Invoice mgt: `invoice` table
Invoice mgt: invoice service skeleton
Invoice mgt: invoice generator interface
Invoice mgt: invoice repository
Invoice mgt: list of invoices
Invoice mgt: download of the invoice
Invoice mgt: next invoice number
Invoice mgt: next invoice number unit test
Invoice mgt: generating PDF
Invoice mgt: tabbed line
Invoice mgt: passing the locale around
Invoice mgt: invoice date
Invoice mgt: teacher & period
Invoice mgt: restructuration of the code
Invoice mgt: from/to table
Invoice mgt: VAT numbers
Invoice mgt: complete test data
Invoice mgt: formatting of hours
Invoice mgt: detail of students
Invoice mgt: total line