phau ntawv raws li kev kuaj «Spiral
Dynamics: Mastering Values, Leadership,
and Change» (ISBN-13: 978-1405133562)
Dynamics: Mastering Values, Leadership,
and Change» (ISBN-13: 978-1405133562)
Tariff yog ntxiv rau Pob tawb
Mus rau Pob tawb