List of Articles Mehdi Yazdi Article 1 - Biostratigraphy of Devonian-Carboniferous boundary in Tuyeh-Darvar section, north of Iran 10.30495/ijes.2020.673332 Mohammad Taghi Najjarzadeh Ali Reaza Ashouri Mehdi Yazdi Ali Bahrami Iranian Journal of Earth Sciences , Issue 2 , Year , Spring 2020
