00565nam a2200157Ia 4500 11771 20261006004354.0 120911s9999 xx 000 0 und d 9780684856094 158.0835 COV Covey, Sean. 12048 The 7 habits of highly effective teens : the ultimate teenage success guide / Sean Covey. New York : Simon & Schuster, c1998. 268 p. : ill. ; 24 cm. Teenager --Conduct of life., Success --Psychological aspects., Teenager --Life skills guides. 12049 11771 11771 0 0 0 0 NU NU 2012-09-11 1 158.0835 COV 17300 2013-04-08 00:00:00 2013-03-22 2012-09-11 OS