Tibbetts, Paul; Johnson, Patricia (November 1985). "The Discourse and Praxis Models in Recent Reconstructions of Scientific Knowledge Generation". Social Studies of Science. 15 (4): 739–749. doi:10.1177/030631285015004007. S2CID145613882.
Dawson, Patrick; Buckland, Sarah; Gilbert, Nigel (1990). "Expert systems and the public provision of welfare benefit advice". Policy and Politics. 18 (1): 43–54. doi:10.1332/030557390782454602.
Tibbetts, Paul; Johnson, Patricia (November 1985). "The Discourse and Praxis Models in Recent Reconstructions of Scientific Knowledge Generation". Social Studies of Science. 15 (4): 739–749. doi:10.1177/030631285015004007. S2CID145613882.