The Open University.
Assignments in technical english : assignment DAM / The Open University ; prepared by the English Language Teaching Development Unit
Assignments in technical english : assignment DAM / The Open University ; prepared by the English Language Teaching Development Unit
. - Essex : The Open University Press, cop. 1974
. - 2 v. 30 cm
. - (The crisis series)
. -
vol.1 : Students workbook. - 14 p. + 4 f. em bolsavol.2 : Teacher's handbook. - [92] p. + 5 f. em bolsa