In order to facilitate better Information Systems Development (ISD), Method Engineering technqiues and tools are needed that support flexible creation, modification, and reuse of ISD methods and tools for use on specific problem domains. A metamodelling notation is needed for specifying and integrating different design notations. MetaCASE support is required for building, reusing and evolving tools for these design notations. Process modelling tools for both the coordination of these design

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... tion tools and the evolution of software processes are also needed. We describe our work on developing an integrated environment which supports metamodelling, metaCASE and flexible software process modelling, and illustrate its use for supporting Method Engineering.