Roberto del Rosario: Pagkakaiba sa mga binago

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Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.8
Rescuing 1 sources and tagging 1 as dead.) #IABot (v2.0.8
Linya 22:
*Bellis, Mary. ''[http://inventors.about.com/od/filipinoscientists/p/Karaoke.htm Roberto del Rosario - Filipino Inventor]''
*Doodsdpogi. [http://hubpages.com/tag/roberto+del+rosario/hot ''Famous Filipino Scientists and Inventors Part 3''] (...) "''Roberto del Rosario is Filipino Inventor and the president of the Trebel Music Corporation. He is the inventor of the Karaoke Sing-Along System, in 1975. The Karaoke Sing Along System is a Japanese expression...''" (...)
*[http://www.supremecourt.gov.ph/jurisprudence/1996/mar1996/115106.htm ''G.R. No. 115106: Roberto L. del Rosario, petitioner, vs. Court of Appeals and Janito Corporation, respondents. 15 Marso 1996''] {{Webarchive|url=https://web.archive.org/web/20080412051004/http://www.supremecourt.gov.ph/jurisprudence/1996/mar1996/115106.htm |date=12 Abril 2008 }}
*[http://www.txtmania.com/trivia/inventions.php ''Filipino Inventors, Karaoke Inventor: Roberto del Rosario] {{Webarchive|url=https://web.archive.org/web/20081110235512/http://www.txtmania.com/trivia/inventions.php |date=2008-11-10 }}
*[http://myjoaquinfamily.blogspot.com/2007/06/bert-del-rosario-is-karaoke-inventor.htm ''Bert del Rosario is Karaoke inventor!'']{{Dead link|date=Agosto 2021 |bot=InternetArchiveBot |fix-attempted=yes }}, Martes, 5 Hunyo 2007
 
[[Kategorya:Mga imbentor at siyentipiko ng Pilipinas]]