20191201d2017 u||y0frey5050 ba - KJ . 29 AFRIQUE = Paris LCCN: 978 2 8073 0075 0 Subjects--Personal Names: YUSUF (MOHAMMED)SHEKAU (ABUBAKAR) Subjects--Corporate Names: JIHADTERRORISMENIGERIAVIOLENCESOCIOLOGIEPOLITIQUEURBANISMETCHAD