The 7 habits of highly effective teens the ultimate teenage success guide

Manylion Llyfryddiaeth
Prif Awdur:	Covey, Sean
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	New York Simon & Schuster c1998.
Pynciau:	Teenagers > Conduct of life. Success > Psychological aspects. Teenagers > Life skills guides.