Твърдица (област Добрич) (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Твърдица (област Добрич)" in Bulgarian language version.

refsWebsite

Global rank Bulgarian rank

2,981^st place

3^rd place

1books.google.com

3^rd place

10^th place

books.google.com

Surviving beind the Limes, p. 246

grao.bg

www.grao.bg