Ostien, Philip A.R. Mustapha and D. Ehrhardt, eds., Creed and Grievance: Muslim-Christian Relations & Conflict Resolution in Northern Nigeria, Martlesham: James Currey, 2018, pp. 37-82..
,
2017
Ostien, Philip ; Garba, Ahmed ; Abubakar, Musa Chapter 2 of Sharia Implementation in Northern Nigeria Twenty Years On: Six Research Reports and an Overview, M. Tabiu, A.R. Mustapha and P. Ostien, eds., Forthcoming.
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2017
Ostien, Philip ; Dekker, Albert SHARIA INCORPORATED: A COMPARATIVE OVERVIEW OF THE LEGAL SYSTEMS OF TWELVE MUSLIM COUNTRIES IN PAST AND PRESENT, pp. 553-612, J.M. Otto, ed., Leiden University Press, 2010.
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2010
Ostien, Philip SHARIA IMPLEMENTATION IN NORTHERN NIGERIA, 1999-2006 A SOURCEBOOK, Vol. IV, Chapter 4, pp. 3-21, Philip Ostien, ed., Ibadan: Spectrum Books Ltd., 2007.
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2009
Ostien, Philip ; Fwatshak, Sati SHARIA IMPLEMENTATION IN NORTHERN NIGERIA, 1999-2006: A SOURCEBOOK, Vol. I, pp. 3-10, Philip Ostien, ed., Ibadan: Spectrum Books Ltd., 2007.
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2007
Fwatshak, Sati ; Ostien, Philip SHARIA IMPLEMENTATION IN NORTHERN NIGERIA, 1999-2006: A SOURCEBOOK, Vol. I, pp. 11-26, Philip Ostien, ed., Ibadan: Spectrum Books Ltd., 2007.
,
2007