Alfonso Ovalle   

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Authors	Title	Year
Ovalle, A	Analysis of the discount rate for mining projects MassMin 2020: Proceedings of the Eighth International Conference & Exhibition on Mass Mining, MassMin 2020	2020
Arzi, AA; Ovalle, AW	Explosives magazines in deep and large mines — an overlooked safety issue Deep Mining 2010: Proceedings of the Fifth International Seminar on Deep and High Stress Mining, Deep Mining 2010	2010