Lewthwaite, S.L., P.J. Fletcher, J.D. Fletcher, and C.M. Triggs. 2011. “Cultivar Decline in Sweetpotato (<i>Ipomoea batatas</i≫)”. New Zealand Plant Protection 64 (January):160-67. https://doi.org/10.30843/nzpp.2011.64.5976.