judul asli; perspectives on sosiology of education : an introduction.
Judul asli: the educational significance of the future.
judul asli : Al-madzhabut - tarbawi indal ghazaly.
judul asli : Media in instruction 60 years: of research.
Judul asli: Accelerated learning for the 21st century.
Judul asli: Castas a Guine Bissau: registros de uma experiencia em processo (pedagogy in process: the letters to Guinea-Bissau).