GASSMANN, Oliver - FRANKENBERGER, Karolin - CSIK, Michaela. The business model navigator : 55 models that will revolutionise your business. Harlow : PEARSON/ FT Publishing, 2014. 387 s. ISBN 978-1-292-06581-6. [Počet ex. : 2, z toho voľných 0, prezenčne 2]