Fifteen thousand hours : secondary schools and their effects on children /

Eitemau Tebyg

• Fifteen thousand hours : secondary schools and their effects on children/
  gan: Rutter, Micheal
  Cyhoeddwyd: (1979)
• Best practices for effective secondary school counselors /
  gan: 347324 Shelton, Carla F., et al.
  Cyhoeddwyd: (2005)
• Youth and the changing secondary school /
  gan: 242274 Daeth, Richard
  Cyhoeddwyd: (1973)
• Pupil adaptation to secondary school : a study of transition from primary to secondary education and subsequent patterns of adjustment among 3050 pupils who first entered secondary schools in September 1975 /
  gan: 350774 Spelman, Brendan J.
  Cyhoeddwyd: (1979)
• The secondary school today /
  gan: 434881 Oliva, Peter F.
  Cyhoeddwyd: (1972)