Grozeva, Mariya Gospodinova, National Institute of Geothysics, Geodesy and Geography, Sofia, Bulgaria

• Journal of the Geographical Institute “Jovan Cvijić” SASA Vol. 67 No. 1 (2017): Journal of the Geographical Institute "Jovan Cvijić" SASA - Research note
  SOME ASPECTS OF THE REGIONAL COOPERATION IN THE BALKANS
  Abstract  PDF