Adriana Barbara Cieślak
Vol no: 19
It is with great pleasure that I present to you the nineteenth issue of the scientific periodical MAZOWSZE Regional Studies. Remaining in the service of science, we constantly strive to develop and reach for the latest tools that determine publishing quality. I am pleased to announce that the publisher of our periodical, the Mazovian Office of Regional Planning in Warsaw, has joined the international publisher association CrossRef – Publishers International Linking Association Inc. (PILA) – and has received a DOI (digital object identifier) number.