1. Spectrum 3: a communicative course in english: student book
پدیدآورنده : Diana Warshawsky, with Donald R.H. Byrd; project director Donald R.H. Byrd; Art director Anna Veltfort
کتابخانه: Central Library and Information Center of Shahed University (Tehran)
موضوع : English language- Textbooks for foreign speakers
رده :
PE
،
1128
،.
A2
,
W331
،
1999
2. Spectrum 5 :a communicative course in english: student book
پدیدآورنده : Sandera Costinett, with Donald R.H. Byrd, Project director Donald R.H. Byrd; art director Anna Veltfort
کتابخانه: Central Library and Information Center of Shahed University (Tehran)
موضوع : English language- Textbooks for foreign speakers
رده :
PE
،
1128
،.
A2
,
W351
،
2003