TY - BOOK AU - Koch,Richard TI - The 80/20 principle: the secret of achieving more with less SN - 9780385491747 PY - 2008/// CY - New York PB - Doubleday KW - Conduct of life KW - Industrial efficiency KW - Psychological aspects KW - Labor productivity KW - Time management N1 - Fakulti Keusahawanan dan Perniagaan; Includes index ER -