id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ertr-597	Ruban, Dmitry A; Yashalova, Natalia N	Russian Ecotourism in International Research: Limited Literature Contrasts Rich Resources	2020	23	.pdf	application/pdf	7470	449	44	The opinion of the scientists involved in Russian ecotourism research needs consideration. The bibliographical survey has resulted in 38 articles considering Russian ecotourism and published in international journals.	cache/ertr-597.pdf	txt/ertr-597.txt