TY  - GEN
A4  - Miatto, Alessio
PY  - 2023
UR  - https://wedocs.unep.org/handle/20.500.11822/45254
LA  - English
KW  - manual
KW  - non-metallic mineral
TI  - Trade of Nonmetallic Minerals - Worked Examples
M3  - Communication or other resource
ER  -