1969-1970 Since : national results and (Ilustrations of group comparisons : report 1, july 1970).

Ítems similars

• 1969-1970 : national results report 3 (november 1970).
  Publicat: (1970.)
• Science : national results : sumary of report 1 (July 1970).
  Publicat: (1970.)
• Citizenship : national results : report 2 (november 1970).
  Publicat: (1970.)
• Observations and commentary of a panel of reviewers : report 1 - science; national results (July 1970).
  Publicat: (1970.)
• Observations and commentary of a panel of reviewers : report 2 : citizenship : national results-partial (July 1970).
  Publicat: (1970.)