Mining-sector dynamics in an era of resurgent resource nationalism: Changing relations between large-scale mining and artisanal and small-scale mining in Tanzania - Pedersen, R.H.; Mutagwaba, W.; Jønsson, J.B.; Schoneveld, George C.; Jacob, T.; Chacha, M.; Xiaoxue, W.; Njau, M.G. (Elsevier, 2019)