Now showing items 567-570 of 570

    • Wastewater treatment in a small domestic-productive unit, using alternative technologies 

      Pérez Rodríguez, Cynthia; Laboratorio de Manejo del Recurso Hídrico. Escuela de Química. Universidad Nacional. Costa Rica.; Coto Campos, Juana María; Laboratorio de Manejo del Recurso Hídrico. Escuela de Química. Universidad Nacional. Costa Rica.; Salgado Silva, Viviana; Laboratorio de Manejo del Recurso Hídrico. Escuela de Química. Universidad Nacional. Costa Rica.; Herrera Núñez, Jacqueline; Laboratorio de Manejo del Recurso Hídrico. Escuela de Química. Universidad Nacional. Costa Rica.; Fernández Araya, José Francisco; Laboratorio de Manejo del Recurso Hídrico. Escuela de Química. Universidad Nacional. Costa Rica.; Benavides Benavides, Cristina; Laboratorio de Manejo del Recurso Hídrico. Escuela de Química. Universidad Nacional. Costa Rica. (Universidad Nacional de Costa Rica, 2013-09-27)
    • Web 2.0, social networks and E-commerce as marketing tools 

      Mata, Francisco; Quesada, Ariella (Journal of Theoretical and Applied Electronic Commerce Research, 2014)
      The spectacular development of the Web 2.0, particularly through online social networks, has awakened much interest in different areas. Marketing is one of them and businesses have decided to experiment with this new type ...
    • Web 2.0, social networks and E-commerce as marketing tools 

      Mata, Francisco; Quesada, Ariella (Journal of Theoretical and Applied Electronic Commerce Research, 2014)
      The spectacular development of the Web 2.0, particularly through online social networks, has awakened much interest in different areas. Marketing is one of them and businesses have decided to experiment with this new type ...
    • Xylose from lignocellulosic waste in the production and industrial processing of pinneaple (Ananascomusus) 

      Ramírez Amador, Karla; Rojas Carrillo, Óscar; Alvarado Aguilar, Patricia; Vega-Baudrit, José