Antibacterial power of Olea Europaea extracts from different Moroccan regions Hajar Lahdibi Sahraoui, Aicha Qasmaoui, Réda Charof, Jamila Hamamouchi and El Hassan Berny E3S Web Conf., 319 (2021) 01067 Published online: 09 November 2021 DOI: 10.1051/e3sconf/202131901067