Media type: E-Article Title: Assessing the efficacy and effectiveness of a Positive Psychology-based self-help book Contributor: Parks, Acacia C; Szanto, Rebecca K imprint: SciELO Agencia Nacional de Investigacion y Desarrollo (ANID), 2013 Published in: Terapia psicológica Language: English DOI: 10.4067/s0718-48082013000100013 ISSN: 0718-4808 Origination: Footnote: Access State: Open Access