English to Polish Bus/Financial Management

Oto kontekst:

"Many managers have learned, quite painfully, that results don't just happen. They have to be planned and managed. There are two keys to success in this area. One is the ability to use ***work records*** and performance appraisals to keep your people motivated and working up to expectations; the other is the ability to use correct methods to evaluate work."

Nie mam pomysłu na te "work records". Tym bardziej, że nie pojawiają się już więcej razy w tekście...