ABDL ALAZEZ, N. Kh.; MOTER, R. M.; HASSAN, A. Z. Effect of nitrogen and phosphorus fertilzation and planting dates on growth, flower yield and methoxalen conceration in Calendula officinalis L. Journal of Biotechnology Research Center (JOBRC), [S. l.], v. 6, n. 1, p. 10–18, 2012. DOI: 10.24126/jobrc.2012.6.1.190. Disponível em: https://jobrc.org/index.php/jobrc/article/view/190. Acesso em: 28 nov. 2024.