Ullah, K., G. M. Shah, J. Alam, A. Gul, and M. Irfan. “Ethnomedicinal Uses of the Ferns of Shishikoh Valley, District Chitral, Pakistan”. 2022. Plant Science Today, vol. 9, no. 3, July 2022, pp. 687-92, doi:10.14719/pst.1690.