References
- Driver , R. 1981 . Pupils’ alternative frameworks in science . European Journal of Science Education , 3 ( 1 ) : 93 – 101 .
- Halldén , O. and Wistedt , I. 1980 . En kemilaboration , [A Chemistry Exercise], Report from the Institute of Education University of Stockholm .
- Halldén , O. and Wistedt , I. 1981 . Livets mångfald , [Life in all its infinite variety], Report from the Institute of Education University of Stockholm .