Mackay, Harrison E.Mackey, Arlene C.Sinisterra, Leonardo2019-03-042019-03-041971https://repositorio.minciencias.gov.co/handle/20.500.14143/306183 microfichasStimulation of intellectual and social competence in Colombian preschool age children affected by the multiple deprivations of depressed urban environmentsdiagrs11x15 cm.CIENCIA Y TECNOLOGIA DE LA SALUDDESARROLLO INFANTILMALNUTRICIONPOBLACION EN EDAD ESCOLAR