Julkaisut sisältäen John Spriggs

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Cover for John Spriggs · GSN - The Goal Structuring Notation: A Structured Approach to Presenting Arguments (Paperback Book) (2014)

GSN - The Goal Structuring Notat... (2014)

Cover for John Spriggs · GSN - The Goal Structuring Notation: A Structured Approach to Presenting Arguments (Hardcover Book) (2012)

GSN - The Goal Structuring Notat... (2012)