Title:Experiencia de enseñanza-aprendizaje: cambio de creencias y conductas en el manejo del agua de consumo / Experiência de ensinamento-aprendizagem: mudança de crenças e condutas no manejo de água de consumo / A teaching-learning experiment: the change of beliefs and conduct in the treatment of drinking-water
Title:Parásitos en aguas del arroyo Naposta, aguas de recreación y de consumo en la ciudad de Bahia Blanca (provincia de Buenos Aires, Argentina) / Parasites in water used for consumption and for recreational purposes as well as in the water from Arroyo Naposta in city of Bahía Blanca, province of Buenos Aires, Argentina