Wyniki
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Arabic Papyri and Inscriptions from Naqlun, Hermitage 89
Olaf E. Kaper
Polish Archaeology in the Mediterranean 2 (1991) s. 57-59 -
Human Side of Learning – To Play or Not to Play
Olaf Flak, Adrian Pyszka
Journal of Intercultural Management , 2 /1 (2010) s. 23-35 -
Features of Polish Companies : Results of the Company Competitiveness Barometer 2014
Olaf Flak, Grzegorz Głód
Oeconomia Copernicana , 6 /3 (2015) s. 117-135