@article{202104.0192,
	doi = {10.20944/preprints202104.0192.v1},
	url = {https://doi.org/10.20944/preprints202104.0192.v1},
	year = 2021,
	month = {April},
	publisher = {Preprints},
	author = {Jan Polcyn},
	title = {Eco-Efficiency and Human Capital Efficiency on the Example of Small and Medium-Sized Family Farms in the Selected European Countries},
	journal = {Preprints}
}