• Are business obstacles different for R&D companies? [Online resource]Hein, Heili; Männasoo, Kadri2017 http://www.tutecon.eu/index.php/TUTECON/article/view/33
• Are R&D companies credit-constrained? Credit frictions during and post-crisis [Online resource]Männasoo, Kadri; Hein, Heili2017 http://www.tutecon.eu/index.php/TUTECON/article/view/29
• Capital investments and financing structure : are R&D companies different? [Online resource]Hein, Heili; Hazak, Aaro; Männasoo, Kadri2017 http://www.tutecon.eu/index.php/TUTECON/article/view/26
• Does flexible work make R&D employees happier? [Online resource]Rebane, Marit; Hein, Heili; Hazak, Aaro2017 http://tutecon.eu/index.php/tutecon/article/view/23
• Effects of work arrangements on the sleep regimen of creative R&D employeesHazak, Aaro; Sõõru, Erve; Hein, Heili; Männasoo, KadriInternational journal of occupational safety and ergonomics2020 / p. 728-739 https://doi.org/10.1080/10803548.2018.1504854 https://www.scopus.com/sourceid/29232 https://www.scopus.com/record/display.uri?eid=2-s2.0-85053849084&origin=inward&txGid=53375a1a75ce47968e5e91aeaf61600a https://jcr.clarivate.com/jcr-jp/journal-profile?journal=INT%20J%20OCCUP%20SAF%20ERGO&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000592012300009
• Endowment, commitment and convergence : a roadmap towards productivity growth [Electronic resource]Männasoo, Kadri; Hein, Heili; Ruubel, Raul7th International conference "Economic challenges in enlarged Europe" : 14-16 June 2015, Tallinn, Estonia : [conference proceedings]2015 / [CD-ROM] http://www.ester.ee/record=b3088567*est
• Ettevõtete investeerimismustrid ja roll globaalses väärtusloomesMännasoo, Kadri; Rungi, Mait; Hein, Heili; Tasane, HeleryRiigikogu Toimetised2018 / lk. 111-124 : ill https://www.ester.ee/record=b1361123*est https://rito.riigikogu.ee/
• Kas ettevõtete investeeringud jõuavad tootlikkuseniMännasoo, Kadri; Rungi, Mait; Hein, Heili; Hazak, Aaro; Tasane, Helery2018 https://www.riigikogu.ee/wpcms/wp-content/uploads/2017/09/Uuringuaruanne_Tootlikkus_ja_investeeringud_30052018.pdf
• Kõrghariduse rahastusmudelid ja nende tulevikukindlus : kõrghariduse tuleviku uurimissuund2022 https://doi.org/10.48726/rsmdg-rkn83
• Kõrghariduse tulevik : arengusuundumused aastani 2035 : raportVarblane, Uku2022 https://www.ester.ee/record=b5502578*est
• Learning from abroad : export versus foreign ownership [Online resource]Männasoo, Kadri; Hein, Heili2017 http://www.tutecon.eu/index.php/tutecon/article/view/36/3
• Organisation of work, chronotype and fatigue : a study of creative knowledge employeesHein, Heili; Hazak, Aaro; Pille, Viive; Tuulik, ViiuEesti tuleviku keskkonnad : Eesti sotsiaalteadlaste XI aastakonverents : 26.-27.aprill 2019, Tartu Ülikool2019 / p. 68
• Regional productivity convergence in advanced and emerging European economiesMännasoo, Kadri; Hein, Heili; Ruubel, RaulEuropean policy analysis2016 / p. 1-12 : ill http://www.sieps.se/sites/default/files/2016_12epa%20eng%20A4%20korr4_0.pdf
• Tootlikkuse arengustsenaariumid 20352018 https://www.ester.ee/record=b5181441*est
• Tootlikkuse kasvutegurid Euroopa regioonidesMännasoo, Kadri; Hein, Heili; Ruubel, RaulRiigikogu toimetised2017 / lk. 89-98 : ill http://www.ester.ee/record=b1361123*est
• Who has a better chance of getting higher salaries among creative R&D employees? [Online resource]Hein, Heili; Hazak, Aaro; Männasoo, Kadri2017 http://tutecon.eu/index.php/tutecon/article/view/39/1
• Why force owls to start work early? The work schedules of R&D employees and sleep [Online resource]Sõõru, Erve; Hein, Heili; Hazak, Aaro2017 http://tutecon.eu/index.php/tutecon/article/view/25
• Work arrangement related drivers of happiness in creative R&D employeesRebane, Marit; Hazak, Aaro; Hein, Heili17th Nordic Sleep Conference jointly organized with the Congress of the Estonian Sleep Medicine Association : 24-26 May, 2017 Tallinn, Estonia2017 / p. 22 http://www.ester.ee/record=b4685367*est