TY  JOUR
TI  DEFINITION OF LEVEL OF ABSTRACTNESS, COMPLEXITY AND INFORMATIONAL CONTENT OF VARIOUS SUBJECTS SCHOOL TEXTBOOK OF PHYSICS
KW  expertise
KW  content analysis
KW  physics textbook
KW  the level of abstraction
KW  the complexity of educational material.
JO  Standards and Monitoring in Education
AU  Mayer, R.V.
PY  2013
IS  1
PB  INFRA-M Academic Publishing LLC.