@inbook{inbook, title  = {{How to develop complex interventions}},

 publisher = {{Routledge}},

 url = {{https://doi.org/10.4324/9781003495642-6 }},

 year = {{2026}},

 month = {{1}},

 author = {{O'Cathain A}},

 doi = {{10.4324/9781003495642-6}},

 pages = {{33-38}},

 note = {{Accessed on 2026/02/01}}}