James L. Roussin / Shirley M. Hord / William A. Sommers
Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Offers more than 30 structured 'learning opportunities' to help busy educators put six components of effective PLCs into practice and facilitate individual and schoolwide development.