Akwasi Asamoah, Acheampong Atta-Boateng, Kwasi Frimpong-Mensah, and Charles Antwi-Boasiako, “Efficacy of extractives from parts of Ghanaian pawpaw, avocado and neem on the durability of alstonia”, African Journal of Environmental Economics and Management, vol. 8, no. 1, pp. 591–595, Feb. 2020.