USMAN, O. Et Al. 2020. Democracy and tourism demand in European countries: does environmental performance matter?. Environmental Science and Pollution Research , vol.27, no.30 , 38353-38359.

USMAN, O., BEKUN, F. V., & Ike, G. N., (2020). Democracy and tourism demand in European countries: does environmental performance matter?. Environmental Science and Pollution Research , vol.27, no.30, 38353-38359.

USMAN, OJONUGWA, FESTUS VICTOR BEKUN, And George Nwokike Ike. "Democracy and tourism demand in European countries: does environmental performance matter?," Environmental Science and Pollution Research , vol.27, no.30, 38353-38359, 2020

USMAN, OJONUGWA Et Al. "Democracy and tourism demand in European countries: does environmental performance matter?." Environmental Science and Pollution Research , vol.27, no.30, pp.38353-38359, 2020

USMAN, O. BEKUN, F. V. And Ike, G. N. (2020) . "Democracy and tourism demand in European countries: does environmental performance matter?." Environmental Science and Pollution Research , vol.27, no.30, pp.38353-38359.

@article{article, author={OJONUGWA USMAN Et Al. }, title={Democracy and tourism demand in European countries: does environmental performance matter?}, journal={Environmental Science and Pollution Research}, year=2020, pages={38353-38359} }