V E Ukatu, Nura H, A H B. A study on insecticidal activity of neem tree (Azadirachta indica) leaf-extract against cowpea weevils (Callosobrucus maculatus). J. A. Multi. R [Internet]. 2023 Mar. 7 [cited 2025 Jun. 7];2(1):06-9. Available from: https://www.synstojournals.com/multi/article/view/55