Distance learning the essential guide

Detalles Bibliográficos
Autor principal:	Williams, Marcia L.
Otros Autores:	Covington, Barbara, Paprock, Kenneth
Formato:	Libro
Lenguaje:	English
Publicado:	Thousand Oaks, Calif. Sage c1999.
Materias:	Distance education > United States. Telecommunication in education.