by Cambridge publishing
Special course which is aimed at developing writing skills which may come necessary for candidatees preparing to international exams as well as for studdents – doing their esays and other written works and people, who wish to feel confident with writing.
Download
http://usafiles.net/1RH4/skills_for_effective_writing_level_1_students_book.pdf
http://usafiles.net/1RH5/skills_for_effective_writing_level_2_students_book.pdf
http://usafiles.net/1RH6/skills_for_effective_writing_level_3_students_book.pdf