M.N. Long

title	ISBN-13	year of publica- tion	other author(s)
Breakthrough: Bk.1: Course in English Communication Practice	978-0-19-425360-4	1985	Jack C. Richards
Breakthrough: Bk.1: Course in English Communication Practice	978-0-19-581601-3	1977	"
Breakthrough: Bk.2: Course in English Communication Practice	978-0-19-425364-2	1985	"
Breakthrough: Bk.2: Course in English Communication Practice	978-0-19-581602-0	1977	"
Breakthrough: Bk.3: Course in English Communication Practice	978-0-19-425368-0	1985	"
Breakthrough: Tapescript 1: Course in English Communication Practice	978-0-19-581655-6	1978	"
Breakthrough: Tapescript 3: Course in English Communication Practice	978-0-19-581657-0	1978	"
Breakthrough: Tchrs' Bk.1: Course in English Communication Practice	978-0-19-425362-8	1985	"
Breakthrough: Tchrs' Bk.2: Course in English Communication Practice	978-0-19-425366-6	1985	"
Breakthrough: Tchrs' Bk.2: Course in English Communication Practice	978-0-19-581659-4	1979	"
Breakthrough: Tchrs' Bk.3: Course in English Communication Practice	978-0-19-425370-3	1985	"
Breakthrough: Workbk Bk.1: Course in English Communication Practice	978-0-19-425361-1	1985	"
Breakthrough: Workbk Bk.1: Course in English Communication Practice	978-0-19-581784-3	1983	"
Breakthrough: Workbk Bk.2: Course in English Communication Practice	978-0-19-425365-9	1985	"
Breakthrough: Workbk Bk.2: Course in English Communication Practice	978-0-19-581785-0	1983	"
Breakthrough: Workbk Bk.3: Course in English Communication Practice	978-0-19-425369-7	1985	"
Breakthrough: Workbk Bk.3: Course in English Communication Practice	978-0-19-581786-7	1983	"

M.-L. · M. Long · M.N · Marl?ne Long-Fournel · Michael N. Long · Mohd. Nor bin Long