Bentoiu, Claudia Gabriela; Athu, Cristina; Ghic, Gratiela - In: Knowledge Horizons - Economics 7 (2015) 1, pp. 67-70
Statistical research by spot checks is used with great results in almost all economic and social research on a random basis. The social field and especially the living standard and the life quality scope, due to their complexity, sometimes require as the sole alternative to study phenomena –...