Proizvod vam ne odgovara? Nema veze! Možete nam vratiti unutar 30 dana
S poklon bonom ne možete pogriješiti. Za poklon bon primatelj može odabrati bilo što iz naše ponude.
30 dana za povrat kupljenih proizvoda
This book is not a book of theories-it deals with facts. Its author regards the best of theories as but working hypotheses to be used only until better ones present themselves. The " fact" is the principal thing-the essential thing-to uncover which the tool, theory, is used.