1. Abidin P, Van E, Stam P, Struik P, Malosetti M, Mwanga R, Odongo B, Hermann M, Carey E (2005) Adaptation and stability analysis of sweet potato varieties for low-input systems in Uganda. Plant Breed 124(5): 491–497.
2. Agata W (1982) The characteristics of dry matter and yield production in sweet potato under field conditions. In: Villareal RL, Griggs TD (eds.) Sweet potato. Proceedings of the First International Symposium. AVRDC Publication No. 82–172, Taiwan. pp. 119–127.
3. Andrade M, Ricardo J, Grüneberg W (2009) Need of breeding orange fleshed sweetpotato for drought prone regions using Mozambique as drought prone test environments. Proceedings of the 15th International ISTRC Symposium: Tropical Roots and Tubers in a Changing Climate: A Critical Opportunity for the World, CIP, Lima, Peru, November 2–6, 2009.
4. Anwar N, Kikuchi A, Kumagai T, Watanabe KN (2009) Nucleotide sequence variation associated with beta -amylase deficiency in the sweet potato Ipomoea batatas (L.) Lam. Breed Sci 59(3): 209–216.
5. Austin DF (1977) Hybrid polyploids in Ipomoea section batatas. J Heridity 68: 259–260.