The 7 habits of highly effective teenagers personel workbook /
Covey, Sean.
The 7 habits of highly effective teenagers personel workbook / Sean Covey. - Sydney : Simon & Schuster , 2004. - 216 s. ; 23 cm.
9780743268172 (pbk.)
Yaşama bağlılık--Ergenler.
Conduct of life--Teenagers.
BJ 1661 / .C666 S48 2004
The 7 habits of highly effective teenagers personel workbook / Sean Covey. - Sydney : Simon & Schuster , 2004. - 216 s. ; 23 cm.
9780743268172 (pbk.)
Yaşama bağlılık--Ergenler.
Conduct of life--Teenagers.
BJ 1661 / .C666 S48 2004