Enlace original:
https://wedocs.unep.org//handle/20.500.11822/22892
Artisanal Gold Council and UN Environment Programme Global Mercury Partnership
,
[ESTIMATING MERCURY USE AND DOCUMENTING PRACTICES IN ARTISANAL AND
SMALL-SCALE GOLD MINING (ASGM): METHODS AND TOOLS]
,
ESTIMATING MERCURY USE AND DOCUMENTING PRACTICES IN ARTISANAL AND
SMALL-SCALE GOLD MINING (ASGM): METHODS AND TOOLS