Пенински планини (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Пенински планини" in Bulgarian language version.

refsWebsite

Global rank Bulgarian rank

1projectbritain.com

low place

low place

2,098^th place

8^th place

projectbritain.com

((en)) What are the landforms of England? – в projectbritain.com

sci-lib.com

bse.sci-lib.com

((ru)) «Большая Советская Энциклопедия» – Пеннинские горы, т. 19, стр. 331