Devi, Irungbam Karuna, et al. “Transmission Electron Microscopy (TEM) Study of the Oocyst of Eimeria Tenella”. International Journal of Poultry Science, vol. 9, no. 11, Oct. 2010, pp. 1050–1055, https://doi.org/10.3923/ijps.2010.1050.1055.