• Language skills in an ethnically segmented labour market : Estonia 1989–2012Bormann, Sven-Kristjan; Ridala, Svetlana; Toomet, Ott-SiimInternational journal of manpower2019 / p. 304–327 : ill https://doi.org/10.1108/IJM-06-2017-0115 https://www.scopus.com/sourceid/20201 https://www.scopus.com/record/display.uri?eid=2-s2.0-85061206811&origin=inward&txGid=da8d3f0eca3ad20d58d730258bc92eb8 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=INT%20J%20MANPOWER&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000463188400008
• Language skills in an ethnically segmented labour market : Estonia 1989-2012. First draft [Electronic resource]Bormann, Sven-Kristjan; Ridala, Svetlana; Toomet, OttDoctoral Summer School 2014 : Doctoral School in Economics and Innovation : Kubija, Estonia, August 5-82014 / 15 p. [CD-ROM]
• Wage gap in an ethnically segmented labor market : the role of cognitive skillsRidala, Svetlana; Toomet, OttEastern European economics2019 / p. 20-30 : ill https://doi.org/10.1080/00128775.2018.1524713 https://www.scopus.com/sourceid/19458 https://www.scopus.com/record/display.uri?eid=2-s2.0-85054915702&origin=inward&txGid=fc840ad3651dc51762349eae26f9086d https://jcr.clarivate.com/jcr-jp/journal-profile?journal=EASTERN%20EUR%20ECON&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000455949600003
• Wage gap in an ethnically segmented labour market : a case of Estonia [Electronic resource]Ridala, Svetlana; Toomet, OttDoctoral school in economics and innovation : Doctoral Summer School 2015 : August 3-6, Pühajärve2015 / 17 p. : ill. [CD-ROM]