(1)
Pinto, A. C. A.; Maia, T. F. A. . Characterization of Secondary Deposits of Columbite-Tantalite Minerals Found in the City of RorainĂ³polis (RR), Brazil.
Int J Innov Educ Res
2020
,
8
(4), 450-468.
https://doi.org/10.31686/ijier.vol8.iss4.2299
.