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Dr. Marian Rogers Croak | The Brilliant Inventor of Voice Over Internet Protocol Technology
Change for the Greater Good: The Marian Croak Story
Inventor Card Unveiling: Marian Croak
Speaker Series: Marian Croak
30 Outstanding Black Inventors and Scientists Hidden from History Books
Premiere of Live Talk EP 21
Tech conversations with kids – Dr. Thotsejane, Dr. Croak, Minister Ndabeni-Abrahams and C&R Awards
