Assessing desertification vulnerability and mitigation strategies in northern Nigeria: A comprehensive approach oleh Ibrahim I. Yahaya, Yongdong Wang, Zhijie Zhang, Abubakar Y. Inuwa, Yazhou Zhao, Yuan You, Hamisu A. Basiru, Friday Uchenna Ochege, Zhou Na, Chukwuka P. Ogbue, Murad Muhammad, Yeneayehu F. Mihertu, Isah A. Tanko, Waseem Shoukat