Klu, GYP; Amoatey, HM; Bansa, D; Kumaga, FK (2001). "Cultivation and use of African yam bean (Sphenostylis stenocarpa) in the Volta Region of Ghana". The Journal of Food Technology in Africa. 6 (3): 74–77. doi:10.4314/jfta.v6i3.19292. hdl:1807/2961.
Azeke, M; et al. (2005). "Nutritional value of African yambean (Sphenostylis stenocarpa L): improvement by lactic acid fermentation". Journal of the Science of Food and Agriculture. 85 (6): 963–970. Bibcode:2005JSFA...85..963A. doi:10.1002/jsfa.2052.
Klu, GYP; Amoatey, HM; Bansa, D; Kumaga, FK (2001). "Cultivation and use of African yam bean (Sphenostylis stenocarpa) in the Volta Region of Ghana". The Journal of Food Technology in Africa. 6 (3): 74–77. doi:10.4314/jfta.v6i3.19292. hdl:1807/2961.
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Azeke, M; et al. (2005). "Nutritional value of African yambean (Sphenostylis stenocarpa L): improvement by lactic acid fermentation". Journal of the Science of Food and Agriculture. 85 (6): 963–970. Bibcode:2005JSFA...85..963A. doi:10.1002/jsfa.2052.