Articol #632 iunie 2019

An econometric approach on production, costs and profit in Romanian coal mining enterprises
Revista/Volum: ECONOMIC RESEARCH-EKONOMSKA ISTRAZIVANJA Volume32 Issue1 Page1019-1036 ISSN : 1331-677X eISSN : 1848-9664

Batrancea I. Batrancea L. Nichita A Gaban L. Masca E Morar ID. Fatacean G. Moscviciov A

DOI: https://doi.org/10.1080/1331677X.2019.1595080