TY - BOOK AU - Aaker,Jennifer Lynn AU - Smith,Andy, 1968- TI - The dragonfly effect : : Quick, effective, and powerful ways to use social media to drive social change SN - 978-0-470-61415-0 U1 - 658.872 PY - 2010/// CY - California PB - Jossey-Bass KW - CAMBIO SOCIAL ER -