van der Schans , E., J.W.N. van Lijssel, and P. van Steenderen. “Value Analysis: Capturing Total Cost of Ownership Reduction Opportunities in E&P Projects”. Netherlands Journal of Geosciences 80, no. 1 (April 1, 2001): 107-111. Accessed April 7, 2026. https://njgjournal.nl/index.php/njg/article/view/11148.