@Article{ Castellar_Romero_JIMENEZ,

author = { Marta Castellar Cárdenas and María del Carmen Romero López and Mª DEL PILAR JIMENEZ TEJADA } ,

title = { What do clean and dirty hands of primary school pupils look like? },

journal = { Journal of biological education },

year = { 2023 },

pages = { - },

}