PERUMIN 33 Mining Convention, o se tasi o mea sili ona taua maina i le lalolagi.O matou pule faʻatau na auai i faʻaaliga fefaʻatauaʻiga ia Setema 18-22 2017 i le Iunivesite a le Malo o San Agustin(Arequipa) Taimi meli: Nov-22-2018