Verhagen, J. y Carrasco, M., «Full-chain sanitation services that last: non-sewered sanitation services», IRC, The Hague, The Netherlands, 2013.

Verhagen, J. y Carrasco, M., «Mise en place d’une filière complète d’assainissement pérenne : les services d’assainissement non collectif», IRC, The Hague, The Netherlands, 2013.

Khosla, P., Wijk, C. van, Verhagen, J., y James, V., «Gender and water», vol. no. 12. IRC, Delft, The Netherlands, p. 80 p. : boxes, tab., 2004.

Verhagen, J., James, A.J., Wijk-Sijbesma, C.A. van, Nanavatty, R., Parikh, M., y Bhatt, M., «Linking water supply and poverty alleviation : the impact of women's productive use of water and time on household economy and gender relations in Banaskantha District, Gujarat, India», vol. no. 36. IRC, Delft, The Netherlands, p. xii, 76 p. : 2 boxes, 8 fig., 34 tab., 2004.

Wijk-Sijbesma, C.A. van, Nanavaty, R., James, A.J., Verhagen, J., Parikh, M., y Bhatt, M., «Transforming time into money using water : a participatory study of economics and gender in rural India», Natural resources forum, pp. p. 205-217 : 4 boxes, 4 fig., 6 tab., 2002.