English: Language in boundries counties of Iran (2009)
Date
Source
Own work, Based on map number 3 in the following source:
فارسی: زهرا پيشگاهیفرد و مریم امیدی آوج. ارتباط بين پراكندگی اقوام ايرانی و امنيت مرزها، فصلنامه ژئوپلیتیک، سال پنجم، شماره اول، بهار و تابستان ۱۳۸۸، نقشه شماره ۳: پراكندگی زبانها در كشور
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