public async Task <IEnumerable <Standard> > GetLatestStandardVersions() { var results = await _cacheService.RetrieveFromCache <IEnumerable <Standard> >("LatestStandards"); if (results != null) { return(results); } var standards = await _standardRepository.GetLatestStandardVersions(); await _cacheService.SaveToCache("LatestStandards", standards, 8); return(standards); }