It is particular effective for people in group situations it help everyone work well together. It inspires new students to start learning and helps them learn. Stone provides support for research and thinking in demanding tasks.
We use cookies to enable the proper functioning and security of our website and to provide you with the best possible user experience.
Voit muokata evästeasetuksiasi täällä. Ota käyttöön tai poista käytöstä seuraavat kategoriat ja tallenna valintasi.
