Duff Johnson is a leading expert on PDF with many great contributions in the field of developing international PDF standards. With many years of experience, he has achieved great success in his career. Refer to detailed information about the author on the homepage.
Date of birth: 1/12/1968
Address: 16321 Bernau bei Berlin, Germany
Tel DE: +49.30.814546510
Gmail: [email protected]
Web: https://duffjohnson.com/
Social:
https://gravatar.com/duffjohnson1
https://www.instagram.com/duffjohnson1/
https://x.com/duffjohnson66
https://www.reddit.com/user/ContentDebt1770/
https://www.scoop.it/u/duff-johnson-66-gmail-com
https://www.pinterest.com/duffjohnson1/
https://ko-fi.com/duffjohnson#paypalModal
https://www.deviantart.com/duffjohnson
https://mstdn.social/@duffjohnson
https://mastodon.social/@duffjohnson

Ver todos los episodios