18 05, 2019 Celebrating Black Excellence in STEM ‑ 2019 Annual Closing Ceremony News Celebrating Black Excellence in STEM ‑ 2019 Annual Closing Ceremony SinaSys Dev2022-07-15T20:19:15-03:00 Celebrating Black Excellence in STEM ‑ 2019 Annual Closing CeremonySinaSys Dev2022-07-15T20:19:15-03:00