: Research and Development Dept, Eurocentre ; Harlow, England : Longman
, 1971-[1982].
5 v.
: ill. ; 24 cm.
Accompanied by tests/students' book (38 p. : ill. ; 19 x 19 cm.), tests/teachers' book (20 p. ; 19 x 19 cm.), laboratory drills/tapescript (100 p. ; 19 x 19 cm.), teacher's book (xix, 152 p. : ill. ; 25 cm.), workbook / John Arnold and Frank Heyworth (55 p. : ill. ; 25 cm.)
Workbook published: 1982
Text volume also available in two-volume ed., separated into pt. A and pt. B.
Consists of 5 books, with a set of 3 drills, and 4 cassettes