TY - BOOK AU - Gabel,Dorothy ED - National Science Teachers Association (Estados Unidos) TI - Handbook of research on science teaching and learning SN - 0028970055 AV - Q181.A1 H35 PY - 1994/// CY - New York, Toronto PB - Macmillan, Maxwell Macmillan KW - Ciencia KW - Estudio y enseƱanza KW - InvestigaciĆ³n KW - Manuales N1 - "a project of the national science teachers association" ER -