-
61
Development of an instrument to assess laboratory competencies in high school biology
Publicerad 1999Lärdomsprov -
62
-
63
Effects of the use of videotapes on biology students achievement, retention and attitude towards science
Publicerad 1999Lärdomsprov -
64
-
65
-
66
Influence of selected cultural variables on performance and attitude in multiethnic biology classrooms
Publicerad 1998Lärdomsprov -
67
-
68
-
69
-
70
Effect of issue investigation and action training on the environmental attitude of students
Publicerad 1994Lärdomsprov


