TY - BOOK AU - Covey,Sean TI - The Seven Habits of highly effective teenagers: The Ultimate teenage Success Guide T2 - The 7 Habits of Highly Effective People SN - 9781471136870 U1 - 158.0835 PY - 1999/// CY - London PB - Simon and Schuster KW - Philosophy & psychology  N1 - includes bibliographical references and index ER -