Sutoyo Sutoyo


Natural resources as an economical stackeholder and energy in the world become market
crisis caused of demanding factor is lower than production of those natural resources.
Moreover the purpose of exploration is to find and acquire a maximum number of new
economic mineral deposits within a minimum cost and in a minimum time. One of natural
resources purposed for energy is coal which decreased economic phase from practices side
and efficient uses of coal with other resources. Futhermore, all of coal firm have to reevaluate
coal production's operation such as open pit minning and revision to production of portofolio
which could be balancing between volume and quality for more suitable for market demand.
This case is one of strategies for pushing of production coal which decreasing phase because
of increasing supply from Australia, Indonesia, Rusia as decreasing market demand.
Keywords : Stakeholder, economical, production cost, coal.

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