Collaboration in design - justification, characteristics and related conceptsPikas, Ergo; Koskela, Lauri; Treldal, Niels; Ballard, Glenn; Liias, Roode24th Annual Conference of the International Group for Lean Construction : Boston, USA, 20-22 July 20162016 / p. 143-152 : ill http://iglc.net/Papers/Details/1270 How Research Can Help Transform the Construction IndustryGehbauer, Fritz; Ballard, Glenn; Leonova, Margarita2017 Lean and Computing in Construction Congress (LC3), Volume II - Part 1 : proceedings of the 25th Annual Conference of the International Group for Lean Construction (IGLC), July 9-12, 2017, Heraklion, Crete, Greece2017 / p. 293-330 https://doi.org/10.24928/2017/0240 http://www.lc3-2017.com/uploads/IGLC_Full_Proceedings-part_1.pdf Sihtväärtuse kavandamine : sissejuhatus, raamistik ja praegune võrdlusalusTommelein, Iris D.; Ballard, Glenn2017 http://www.ester.ee/record=b4742292*est Strategies that can help transform the construction industryLeonova, Margarita; Ballard, Glenn; Gehbauer, Fritz2017 Lean and Computing in Construction Congress (LC3), Volume II - Part 1 : proceedings of the 25th Annual Conference of the International Group for Lean Construction (IGLC), July 9-12, 2017, Heraklion, Crete, Greece2017 / p. 333-340 https://doi.org/10.24928/2017/0241 http://www.lc3-2017.com/uploads/IGLC_Full_Proceedings-part_1.pdf