Total data: 26487
TED talks: the official TED guide to public speaking
Anderson, Chris,;Boston : Houghton Mifflin Harcourt , 2016
Perubahan atmosfer: sebuah tantangan global
Soemarwoto, Otto; Firor, John;Jakarta : Rosda JayaPutra , 1995
Words that shook the world: 100 years of unforgettable speeches and events
Greene, Richard; Brizel, Florie;New York : Prentice Hall , 2002
Bartlett's fammiliar quotations: a collection of passages, phrases, and proverbs traced to their source in ancient and modern literature
Bartlett, John; Kaplan, Justin;Boston : Little, Brown, and Company , 2002
