Collegedictaat integraal waterbeheer / [samenst.: J.M. Verhallen (eindred.), P. Huisman en L. Korver]Suitability of decision support tools for collaborative planning processes in water resources management / Anne (A.) Ubbels, Annemiek (J.M.) VerhallenInventory of catchment management plans in Europe : final report [Rivier Actie Programma] / [by] A.J. Wesselink, J.M. Verhallen [en] J. HoogenboomCollegedictaat "Integraal waterbeheer" : behorende bij college ct4450 (f15F)