Riza Hasan   

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Authors	Title	Year
Firmanulhaq, SA; Kamarea, J; Hasan, R; Putra, F; Salim, F	Lessons learnt from egress drift excavation through a minor pillar in an extraction level, Deep Ore Zone mine, Freeport Indonesia, Papua UMT 2017: Proceedings of the First International Conference on Underground Mining Technology, UMT 2017	2017