ALNOMIR, A. A.; ALHADI, A. M.; ALHAKIMI, K. A.; HADI, A. M. The effect of different levels of nitrogen fertilizer on the growth and yield of coffee trees (Coffea arabica L.). University of Aden Journal of Natural and Applied Sciences, [S. l.], v. 19, n. 1, p. 129–139, 2015. DOI: 10.47372/uajnas.2015.n1.a11. Disponível em: https://uajnas.adenuniv.com/index.php/uajnas/article/view/280. Acesso em: 22 apr. 2024.