Tangkanchanapas, P., H. J. Juenak, N. S. Saelor, S. Noochoo, and K. Reanwarakorn. “Development of Detection Technique for Grapevine yellow speckle viroid 1 and 2 (GYSVd-1 and 2) Causing Grapevine Yellow Speckle Disease by RT-PCR method”. Thai Agricultural Research Journal, vol. 33, no. 1, Mar. 2015, pp. 68-84, doi:10.14456/thaidoa-agres.2015.9.