File:Ladislao Biro Argentina Circa 1978.JPG - Wikimedia Commons
Google: <p>Google dedicates doodle to ballpoint pen founder Ladislo Biro</p>
File:Signature László Bíró.svg - Wikimedia Commons
Riya Sharma (@riya_sharma99) / Twitter
Ballpoint pens
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File:Ladislao Biro Argentina Circa 1978.JPG - Wikimedia Commons
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Six Strands of Society Strand 1: Wave Theory Strand 2: Technology Strand 3: Business and Corporate Developments Strand 4: Educational Theories of Learning. - ppt download
Ballpoint pens
Digital Timeline Nicole Harris Link: - ppt video online download
Ladislo Biro
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USB Pens Are A Unique Promotional Item | USB2U Articles
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Ladislo Biro
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Why is the Ball-point Pen Called So? | Pitara Kids' Network
