Text ( visual ) : unmediated
Getting things done : the art of stress-free productivity / David Allen. -- : pbk. -- New York : Penguin , c2001. -- xiv, 267 p. : ill. ; 21 cm. -- Includes index. -- ISBN 9780142000281 ; (BA91626879) ; https://ci.nii.ac.jp/ncid/BA91626879
Author Heading(s): Allen, David. -- Classification(s): LCC : BF637.T5 ; DC21 : 646.7. -- Subject Heading(s): LCSH : Time management ; LCSH : Self-management (Psychology)