By Siegel Marcelle   in Environmental Education Research

ISSN:1469-5871|12|2|201-215

Routledge Ltd‎(2006)‎

Access to resources Favorite 19.48531

By Siegel Marcelle   Wissehr Cathy   in Journal of Science Teacher Education

ISSN:1046-560X|22|4|371-391

Springer Publishing Company ‎(2011)‎

Access to resources Favorite 15.588248

By Halverson Kristy Lynn   Siegel Marcelle   Freyermuth Sharyn   in International Journal of Science Education

ISSN:1464-5289|31|9|1249-1268

Routledge Ltd‎(2009)‎

Access to resources Favorite 11.691187

By Witzig Stephen B.   Halverson Kristy L.   Siegel Marcelle A.   Freyermuth Sharyn K.   in International Journal of Science Education

ISSN:1464-5289|35|15|2483-2507

Routledge Ltd‎(2013)‎

Access to resources Favorite 7.794124