Help! I'm teaching middle school science [electronic resource] / by C. Jill Swango and Sally Boles Steward.
Publication details: Arlington, Va. : NSTApress, c2002.Description: ix, 133 p. : illISBN:- 0873552253
- 507/.1/2 21
- LB1585.3 .S93 2002eb

Includes bibliographical references (p. 122-127) and index.
Electronic reproduction. Palo Alto, Calif. : ebrary, 2013. Available via World Wide Web. Access may be limited to ebrary affiliated libraries.