A short article lby Alex Thurston, a Visiting Assistant Professor of African Studies at Georgetown University, whose book was published in late 2017, 'Boko Haram: The History of an African Jihadist Movement'.

He ends with:
Nigeria is one of the most complicated countries in the world. Any resolution to the Boko Haram conflict will require a good deal of experimentation, trial and error, and even luck. It may also take quite a long time.
Link:http://www.lawfareblog.com/five-myths-about-boko-haram