Chetroiu, Rodica; Călin, Ion - 2013
efficiency (e) can be defined as a quantitative ratio between the effects (E) and the resources or efforts (R) made to obtain … effect with minimum consumption: e = E / R max (maximizing the effects obtained per unit of allocated, consumed resources); e … effort and having three main sources: the optimal use of resources, rational use of labour and production management. …