Smółka, P. 2011. Personality Questionnaires as Helpful Tools of Social Competence Assessment. Implications for Pre-selection of Candidates for Positions Demanding Good Interpersonal Skills. Edukacja Ekonomistów i Menedżerów. 21, 3 (wrz. 2011), 105–126. DOI:https://doi.org/10.5604/01.3001.0009.5757.