@Article{ RUEDA_Perri_Cobo:455-478,

author = { MARÍA DEL MAR RUEDA GARCÍA and Pier Francesco Perri and Beatriz Cobo Rodríguez } ,

title = { Advances in estimation by the item sum technique using auxiliary information in complex surveys. },

journal = { AStA. Advances in Statistical Analysis },

year = { 2017 },

volume = { 102 },

pages = { 455-478 },

}