Belgheiszadeh, Hamid, et al. “Geometric Morphometrics of the Head Shape of Pseudocerastes Persicus (DUMÉRIL, BIBRON & DUMÉRIL, 1854) (Ophidia: Viperidae) from Central Iran”. Journal of Biological Studies, vol. 2, no. 3, Dec. 2019, pp. 56-63, doi:10.62400/jbs.v2i3.1635.