Bagaimana kita tahu tenaga wujud?

Main Author: Jennings, Terry
Other Authors: Saripah Abd Rahman
Format: Open Shelf
Published: Shah Alam, Selangor: Federal Publications Sdn. Bhd., 1998.
Subjects:
Item Description: Includes index
Physical Description: 45 p.: ill., col.; 29cm.
ISBN: 9835802432