Rad, B Mostafa Yousefi, and Hamideh Noroozpour. 2016. “Paleoecology of Permo-Triassic Boundary According to Palynoflora in Shourjestan, Iran”. International Journal of Geography and Geology 6 (1):8-17. https://doi.org/10.18488/journal.10/2017.6.1/10.1.8.17.