The Seven Keys to Better Faster Typing
- ISBN 10 : PSU:000013571801
- Judul : The Seven Keys to Better Faster Typing
- Pengarang : United States Civil Service Commission,
- Kategori : Typewriting
- Bahasa : en
- Tahun : 1957
- Halaman : 37
- Google Book : http://books.google.co.id/books?id=Ld7XAAAAMAAJ&dq=intitle:typing+master&hl=&source=gbs_api
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