The American journal of distance education.
The American journal of distance education.
- University Park, PA : Pennsylvania State University
- Three times a year
08923647 = The American journal of distance education
Distance education--United States--Periodicals.
Open learning--United States--Periodicals
Adult education--United States--Periodicals
08923647 = The American journal of distance education
Distance education--United States--Periodicals.
Open learning--United States--Periodicals
Adult education--United States--Periodicals