Rickli, H. C., Teixeira Fortes, A. M., Siberti da Silva, P. S., Pilatti, D. M., & Hutt, D. R. (2011). Allelopathic effect of aqueous extract of Azadirachta indica A. Juss. on lettuce, soybeans, maize, beans and Bidens pilosa. Semina: Ciências Agrárias, 32(2), 473–484. https://doi.org/10.5433/1679-0359.2011v32n2p473