Zavadskas, Edmundas Kazimieras, Zenonas Turskis, Jolanta Tamošaitienė, and Valerija Marina. 2008. “Multicriteria Selection of Project Managers by Applying Grey Criteria”. Technological and Economic Development of Economy 14 (4):462-77. https://doi.org/10.3846/1392-8619.2008.14.462-477.