| Impact of change’s timing on labor productivity W Ibbs Journal of construction engineering and management 131 (11), 1219-1223, 2005 | 129 | 2005 |
| Quantified impacts of project change W Ibbs, LD Nguyen, S Lee Journal of Professional Issues in Engineering Education and Practice 133 (1 …, 2007 | 128 | 2007 |
| Work flow variation and labor productivity: Case study M Liu, G Ballard, W Ibbs Journal of management in engineering 27 (4), 236-242, 2011 | 112 | 2011 |
| Construction change: Likelihood, severity, and impact on productivity W Ibbs Journal of Legal Affairs and Dispute Resolution in Engineering and …, 2012 | 73 | 2012 |
| Schedule analysis under the effect of resource allocation W Ibbs, LD Nguyen Journal of construction engineering and management 133 (2), 131-138, 2007 | 59 | 2007 |
| Improved measured mile analysis technique W Ibbs, M Liu Journal of construction engineering and management 131 (12), 1249-1256, 2005 | 51 | 2005 |
| Design and construction coordination problems and planning for design–build project new users AS Chang, FY Shen, W Ibbs Canadian journal of civil engineering 37 (12), 1525-1534, 2010 | 39 | 2010 |
| Analysis of adverse weather for excusable delays LD Nguyen, J Kneppers, B García de Soto, W Ibbs Journal of construction engineering and management 136 (12), 1258-1267, 2010 | 36 | 2010 |
| Alternative methods for choosing an appropriate project delivery system (PDS) A Hartmann, PED Love, W Ibbs, YY Chih Facilities, 2011 | 33 | 2011 |
| FLORA: New forensic schedule analysis technique LD Nguyen, W Ibbs Journal of Construction Engineering and Management 134 (7), 483-491, 2008 | 32 | 2008 |
| Concurrent delays and apportionment of damages W Ibbs, LD Nguyen, L Simonian Journal of Construction Engineering and Management 137 (2), 119-126, 2011 | 25 | 2011 |
| System dynamic modeling of delay and disruption claims W Ibbs, M Liu Cost Engineering 47 (6), 12, 2005 | 25 | 2005 |
| System model for analyzing design productivity AS Chang, W Ibbs Journal of Management in Engineering 22 (1), 27-34, 2006 | 23 | 2006 |
| Change and the loss of productivity in construction: a field guide W Ibbs, C Vaughan Ibbs Consulting Group, 2015 | 21 | 2015 |
| The Cumulative Effect of Change Orders on Labour Productivity: The Leonard Study ‘Reloaded G McEniry, W Ibbs The Revay Rep 26 (1), 1-8, 2007 | 17 | 2007 |
| Evaluating the cumulative impact of changes on labor productivity W Ibbs, G McEniry Cost Engineering 50 (12), 23-29, 2008 | 15 | 2008 |
| Weather’s effect on construction labor productivity W Ibbs, X Sun Journal of legal affairs and dispute resolution in engineering and …, 2017 | 14 | 2017 |
| Measured-mile principles W Ibbs Journal of Legal Affairs and Dispute Resolution in Engineering and …, 2012 | 13 | 2012 |
| Alternative for quantifying field-overhead damages W Ibbs, LD Nguyen Journal of construction engineering and management 133 (10), 736-742, 2007 | 11 | 2007 |
| Thinking about delay, disruption, and the cumulative impact of multiple changes W Ibbs Journal of Legal Affairs and Dispute Resolution in Engineering and …, 2013 | 10 | 2013 |
