Muri rusange, ibikoresho bya ONU birashobora gushyirwa mubice ukurikije ibintu bitandukanye bisabwa, nka SFU, HGU, SBU, MDU, na MTU.1. Kohereza SFU ONU Ibyiza byubu buryo bwo kohereza nuko umutungo wurusobe ukize cyane, kandi birakwiriye kwigenga ho ...
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