Implementing buying types and optimizing for ad delivery Credential Earned Meta Standard Award (English) Created with Sketch. 03/22/2022 Implementing buying types and optimizing for ad delivery Citra Sari Esa Dewi S Implementing buying types and optimizing for ad delivery Completed by Citra Sari Esa Dewi S on March 22, 2022 Completion ID: 78130777