Here are some primary sources: http://micsymposium.org/mics_2011_proceedings/mics11_olson.pdf http://micsymposium.org/mics_2011_proceedings/mics11_olson.p...

Here are some primary sources: http://micsymposium.org/mics_2011_proceedings/mics11_olson.pdf http://micsymposium.org/mics_2011_proceedings/mics11_olson.p... http://psychclassics.yorku.ca/Munster/Industrial/chap17.htm http://psychclassics.yorku.ca/Munster/Industrial/chap17.htm http://www.danzpage.com/Construction-Management-Resources/Calculating_Loss_of_Productivity_Due_to_OT_Using_Charts_-_Nov_2001.pdf http://www.danzpage.com/Construction-Management-Resources/Ca... https://www.construction-institute.org/scriptcontent/more/sd43_more.cfm https://www.construction-institute.org/scriptcontent/more/sd... http://classes.engineering.wustl.edu/2009/spring/jme4900/Articles/COEModificationImpactEvaluationGuide.pdf http://classes.engineering.wustl.edu/2009/spring/jme4900/Art... http://cmdept.unl.edu/drb/Reading/overtime2.htm http://cmdept.unl.edu/drb/Reading/overtime2.htm