Julvez J, Forns M, Ribas-Fito N, Mazon C, Torrent M, Garcia-Esteban R, Ellison-Loschmann L, Sunyer J. Psychometric characteristics of the California Preschool Social Competence Scale in a spanish population sample. Early Educ Dev. 2008;19(5):795-815.
Arana JI, Jarén C, Arana A, Arazuri S. Pruebas diagnósticas en la clasificación de productos agrícolas. Horticultura. 2001;19:20-6.
Holmes SJ, McKenna SP, Doward LC, Hunt SM, Shalet SM. Development of a questionnaire to assess the quality of life of adults with growth hormone deficiency. Endocrinology and metabolism. 1995 Jan 1;2(1):63-9.