KALIŠ, Richard - LUPTÁČIK, Mikuláš - DUJAVA, Daniel. Efficiency Effects of Mergers: Harmonising Merged Production. - Registrovaný: Web of Science, Registrovaný: Scopus. In Journal of the Operational Research Society. - Birmingham : Operational Research Society. ISSN 0160-5682, 2022, vol. 74, no. 5, pp. 1-14. (2022 - Current Contents). APVV-18-0425.