Nine Things Successful People Do Differently, Paperback/Heidi Grant Halvorson
Heidi Grant Halvorson
Succeed: How We Can Reach Our Goals, Paperback/Heidi Grant Halvorson
Focus. Priveste lumea altfel pentru a avea succes si influenta - Heidi Grant Halvorson, E. Tory Higgins
Heidi Grant Halvorson,E. Tory Higgins