Ackah, D., Agboyi, M. R., & Adu , L. (2014). An Investigation of Yam Ingestion Customs in Ghanaian Urban Communities, Ghana. International Journal of Sciences: Basic and Applied Research (IJSBAR), 17(2), 374-411. https://gssrr.org/JournalOfBasicAndApplied/article/view/3084