Autor
National Science Teachers Association
3
Hong Kong Institute of Education
2
American Council of Science Teachers
1
American Science Teachers Association
1
Australian Science Teachers Association
1
Australian Science Teachers' Association
1
Illinois Association of Chemistry Teachers
1
Institute for SMET Education and Research
1
National Science Education Leadership Association (U.S.)
1
SPARC (Organization)
1
Sofiĭski universitet "Sv. Kliment Okhridski"
1
Thomson Gale (Firm)
1
Universidade Federal do Rio Grande do Sul. Instituto de Física
1
Universitatea "Babeș-Bolyai."
1