"sewart, david . "
Distance education: international perspectives/ David.. Sewart - 2 ed. - usa : routledge 1988. - "xiii, 445p.; 21 cm."
0-415-01051-9
correspondence schools and courses
LC5800 / .D57 1988
Distance education: international perspectives/ David.. Sewart - 2 ed. - usa : routledge 1988. - "xiii, 445p.; 21 cm."
0-415-01051-9
correspondence schools and courses
LC5800 / .D57 1988