J. S. Valombola, S. K. Awala, and K. Hove, “Morphological characterisation of Bambara groundnut (Vigna subterranea (L.) Verdc.) germplasm collections: A basis for crop improvement”, J. Agric. Appl. Biol., vol. 3, no. 1, pp. 8-18, Jan. 2022.