saradnja
Saradnja is a noun in Serbo-Croatian languages (Bosnian, Croatian, Montenegrin, Serbian) that denotes cooperation or collaboration between two or more parties. It is formed from the verb saradivati, with the root rad meaning work and the prefix sa- indicating together. The term is used in formal and informal contexts to describe joint efforts aimed at achieving shared goals.
Saradnja can take various forms, from informal cooperation between individuals to formal agreements between organizations, companies,
The concept is closely related to, but distinct from, related terms such as partnerstvo (partnership), kooperacija