staff retention معنى"staff retention" أمثلة على "staff" معنى "retention" معنى "retention" معنى "capacity retention" معنى "cultural retention" معنى "data retention" معنى "financial retention" معنى "grade retention" معنى "nitrogen retention" معنى "placental retention" معنى "record retention" معنى "retention band" معنى "retention basin" معنى "retention behaviour" معنى "retention bonus" معنى "retention efficiency" معنى "retention harvesting" معنى "retention index" معنى "retention license" معنى "retention permit" معنى "retention quotas" معنى "retention ratio" معنى "retention sample" معنى "retention specimen" معنى "retention time" معنى أمثلة Staff retention is well above average for an international school, with SIS teachers having an average tenure of more than 7 years.
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