Czyżewski, B., 		Matuszczak, A., 		Burja, C., & 		Muntean, A.
(2019).
 Eco-efficiency versus eco-effectiveness in the sustainable development of agriculture: a comparative analysis in EU regions.
<em><Center>Conference Proceedings <BR> Determinants Of Regional Development</Center>, </em>(1).
doi:10.14595/CP/01/004