Wakefield JR, Myers K. Social cost benefit analysis for deep sea minerals mining. Mar Policy. 2016 Jun 22. doi: 10.1016/j.marpol.2016.06.018
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.