If you want to issue a certificate of participation

If you want to issue a certificate of participation, Please email info@2022aaou.org or aaou.org@gmail.com
Thank you.

Conference Proceeding Vol. 01 Conference Proceeding Vol. 02 Conference Proceeding Vol. 03 Conference Proceeding Vol. 04 Conference Proceeding Vol. 05 Conference Proceeding Vol. 06