Ziarovska, J., E. F. Cusimamani, D. Russo, and L. Milella. “DIFFERENCE ON ITS REGIONS AMONG YACON GENOTYPES AND SMALLANTHUS SPP”. Emirates Journal of Food and Agriculture, vol. 26, no. 1, Aug. 2016, pp. 60-65, doi:10.9755/ejfa.v26i1.16667.