Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Companies face two main challenges in the design of voluntary sustainability initiatives (VSIs): They recognise acceptance problems by different strategic stakeholders and opposition by competing initiatives and experience significant resource demands needed to set up VSIs and ask for more efficient solutions.