TY - GEN A1 - Silangwa, Florian Sanya Chisawani PB - Cologne African Studies Centrre L2 - http://www.jbc.bj.uj.edu.pl/Content/822763 KW - Tanzania KW - ludność KW - sytuacja społeczna T1 - Migration and demographic changes : its implications on land transformation and changing socio-economic development in the Lake Eyasi Basin in Karatu District, Tanzania UR - http://www.jbc.bj.uj.edu.pl/dlibra/publication/edition/822763 ER -