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Scaling up innovations through learning alliances : an introduction to the approach, (In: Smits, S., Moriarty, P., Sijbesma, C., 2007. Learning alliances : scaling up innovations in water, sanitation and hygiene. (Technical paper series / IRC 47) Delft, the Netherlands: IRC. Available at:
https://www.ircwash.org/sites/default/files/Smits-2007-Learning.pdf.