Helen Koss amurikirwa ku rubuga Best Designs of the World ibi bikorwa: Ibishushanyo 3 byatsindiye ibihembo, byahawe ishimwe mu byiciro: Igishushanyo cy'Imbere y'Inyubako.
Reba icyegeranyo cy'ibikorwa byatsindiye ibihembo byakozwe na Helen Koss
Ibishushanyo byakozwe na Helen Koss
Igishushanyo cy'Imbere y'Inyubako CTP Clubhouse Sofia Clients Hub cya Helen Koss
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Igishushanyo cy'Imbere y'Inyubako Delasport Sofia Office Space cya Helen Koss
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Igishushanyo cy'Imbere y'Inyubako Acronis Sofia Office Space cya Helen Koss
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