Verified Certificate

Supported by the following organizations

This is to certify that Jacek Pietryka successfully completed and received a passing grade in WDR2001x: Trading for Development in the Age of Global Value Chains - WDR 2020 a course of study offered by WBGx, an online learning initiative of World Bank.

Noted by

Aart Kraay

Aart Kraay

Director, Development Research Group The World Bank

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