[McG]

Autor Crais

Analysis has been implemented (<-- za to nisam siguran...) on Croatian's market magazines.

Analysis has been conducted/taken on/upon Croatian market of magazines ili ...Croatian magazine market

Autor Crais

The analysis of the adv. messages is based...

The analysis of advertising messages/advertisements was based... ili ...Advertising messages/advertisements were analyzed, based upon their... ili ...Advertising messages were analyzed, based upon the number of their repetitions......

Analiza reklamnih poruka provedena je kako bi se dobio uvid...

The analysis of advertising messages/advertisements has been conducted/taken so we/you/people could get a (better) insight...