This book has a lot of good information. I like how it goes through the process of proposal writing. For seasoned sales people there is not much new, but for someone new to selling it will be a great resource.
EPUB | FB2 | MOBI | TXT | RTF
* Конвертация файла может нарушить форматирование оригинала. По-возможности скачивайте файл в оригинальном формате.