Custom Number for Orders, Invoices, Delivery Slips and Credit Slips - Prestashop module - YouTube
Credit slip total tab in HTML Template doesn't use the right data for display · Issue #19214 · PrestaShop/PrestaShop · GitHub
Store Manager for PrestaShop - PrestaShop credit slips: learn how to create a credit slip to confirm a product return in PrestaShop 1.7. Download credit slip as PDF, send it to customer,
PrestaShop 1.7.x - How To Edit PDF Invoices - TemplateTrip Help
PrestaShop Credit Slips. Managing Credit Slips in PrestaShop 1.7
Video sales module [PrestaShop 1.6] [PrestaShop 1.7] - Presta-Mod.pl