Build a better mousetrap :make classic inventions, discover your problem-solving genius, and take the inventor's challenge

 Kassinger, Ruth,;

Hoboken : : John Wiley & Sons , 2002

WHY? penciptaan dan penemuan

 Kim, Min; Jae; Wildana, Iwan;

Jakarta : Elex Media Komputindo , 2009

1001 inventions that changed the world

 Challoner, Jack; Baylis, Trevor;

Hauppauge, New York : Barron's Educational Series , 2009.