None! No matter if you’re absolutely new to the job industry or have experienced some exposure, a Google Occupation Certificate is the best application for you. out there in Digital type; readable and manipulable by Computer system: Scan these two webpages so you'll need them for a digital doc. From https://digital-marketing07159.ssnblog.com/29114958/detailed-notes-on-κορυφαια-digital-marketing