M. . Ajonye, E. . Adipala, H. . Kidane-mariam, M. . Magambo, G. . Otim-Nape, and A. . Bhagsari, “In vitro microtuberisation of two improved Ugandan Solanum potato varieties”, UJAS, vol. 4, no. 1, pp. 19–25, Jun. 1999.