1. G.A. Cole, Personnel and Human Resource Management (Thomson Copyright, 2002), 511 pp.
2. M.L. Spencer, S.M. Spencer, Competence at Work: Models for Superior Performance (Business & Economics, 1993), 372 pp.
3. M. Armstrong, Armstrong’s Handbook of Strategic Human Resource Management (Kogan Page Publishers, 2006), 216 pp.
4. S.V. Mikoni, Multicriteria selection on the final alternative set, in Student Handbook (Lan Publishing, 2009), 270 p.
5. M. Mammadova, Decision-making, based on a knowledge database with a fuzzy relational structure (Elm, Baku, 1997), p. 296