Terna T. Paul and Agbara D. Onwoke, Biological Control of Tomato Wilt Fungi Using Leaf Extracts of Bitter Leaf (Vernonia amygdalina). journal = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology. November 2017, vol. 128(8). 644 - 647 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/10008291.