In this paper, research on the cost performance of building construction projects in the city of Surabaya. The main variables that become the starting point are Activity Change Management Base Orders (ABMCO) and Economic Value Added (EVA) with efficiency as intervening variables. This research method uses quantitative and qualitative approaches, while the sample selection method uses nonprobability sampling method with purposive sampling technique. This study used a sample of 100 respondents. Power is processed using SEM (Equational Structure Modeling) with AMOS version 18.
Efficiency as a Variable Intervening in Activity Based Management of Change Order and Economic Value Added to Improve Project Cost Performance on Building Construction
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