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& combination of earthwork equipments.” Proceedings of Korea Institute of Building
Construction, Vol. 10, No. 1, pp. 201-205.Choi, J. H., Lee, D. H., Kim, S. H. and
Kim, S. K. (2010). “Factors affecting selection & combination of earthwork equipments.”
Proceedings of Korea Institute of Building Construction, Vol. 10, No. 1, pp. 201-205.