Ali Rezaei, Hossein Hassani, Parviz Moarefvand, and Abbas Golmohammadi. 2019. “Grade 3D Block Modeling and Reserve Estimation of the C-North Iron Skarn Ore Deposit, Sangan, NE Iran”. Global Journal of Earth Science and Engineering 6 (1):23-37. https://doi.org/10.15377/2409-5710.2019.06.4.