Implementing buying types and optimizing for ad delivery Credential Earned Meta Standard Award (English) Created with Sketch. 10/24/2022 Implementing buying types and optimizing for ad delivery Md.Mahamud Ullah Hridoy Implementing buying types and optimizing for ad delivery Completed by Md.Mahamud Ullah Hridoy on October 24, 2022 Completion ID: 88663176