Avin, F. A. A., and S. Melaniani. “Identification of Toxoplasma Gondii Cyst in Ras Chicken As A Potential Infection of Toxoplasmosis”. JURNAL KESEHATAN LINGKUNGAN, vol. 10, no. 3, Dec. 2018, pp. 336-42, doi:10.20473/jkl.v10i3.2018.336-342.