I don't have to make everything all better

Explains the principles and concepts related to validation, a process that empowers other people to solve their own problems; and shows how validation can, and has been used effectively in real-life situations.

שנה

2000

שפה

English

הוצאה

Penguin

מהדורות

1

עמודים

302

ISBN

9780140286434

מקור הנתונים: Wikidata