Ackermann Marietjie, Botha Doret, van der Waldt Gerrit, & African Online Scientific Information Systems. Potential Socio-economic Consequences of Mine Closure.
Citazione stile Chigago Style (17a edizione)Ackermann Marietjie, Botha Doret, van der Waldt Gerrit, e African Online Scientific Information Systems. Potential Socio-economic Consequences of Mine Closure.
Citatione MLA (9a ed.)Ackermann Marietjie, et al. Potential Socio-economic Consequences of Mine Closure.
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