There has been data ("A Competency Based Approach for Student Leadership Development: New Directions for Student Leadership, Number 156 (J-B SL Single Issue Student Leadership) - ISBN-13 978-1-119-48407-3") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Wed Jan 29 14:32:01 2020, so the data displayed here has been removed .