W. Awadzi, T., Bredwa-Mensah, Y., Breuning-Madsen, H. og Boateng, E. (2001) “A scientific evaluation of the agricultural experiments at Frederiksgave, the Royal Danish Plantation on the Gold Coast, Ghana”, Geografisk Tidsskrift, 101. Tilgængelig hos: https://tidsskrift.dk/geografisktidsskrift/article/view/42410 (Set: 20 december 2024).