25.12.4
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Ban Van Tung
1 Credential
1 Issuer
Michael J. Saylor Founder & Trustee Saylor Academy
Scan QR code to verify online Certificate ID: 21409581 Issue Date: August 3, 2020
this certificate of achievement for
Saylor Academy awards
Ban Van Tung
ESL003: Upper-Intermediate English as a Second Language
ESL003: Upper-Intermediate English as a Second Language
August 3, 2020
Saylor Academy
