Garaigordobil Landazábal, Maite. “Methodological Perspectives on the Measurement of the Effects of an Intervention Program With Adolescents: Pretest-Posttest Evaluation and Program Evaluation Questionnaires”. Apuntes de Psicología 25, no. 3 (October 17, 2007): 357–376. Accessed October 26, 2026. https://apuntesdepsicologia.es/index.php/revista/article/view/130.