Kolo, Emmanuel, Joseph Adigun, Olusegun Adeyemi, Olumide samuel Daramola, i Goke Bodunde. 2020. „Implication of Nitrogen Application on Weed Management in Upland Rice (Oryza Sativa L.)“. Journal of Agricultural Sciences (Belgrade) 65 (2). https://asistent.ceon.rs/index.php/jas/article/view/22678.