Wulandari, Dyah Retno, and Tri Muji Ermayanti. “Detection of Potyvirus Using RT-PCR and ACP-ELISA of Dioscorea Species and In Vitro Shoot Multiplication of the Virus Free Plants”. Annales Bogorienses, vol. 15, no. 2, Dec. 2011, pp. 1-8, doi:10.14203/ann.bogor.2011.v15.n2.1-8.