MASAYNA, W. Use of 15 N Technique in the Study of Nitrogen Fixation in Legumes . Thai Agricultural Research Journal, [S. l.], v. 4, n. 3, p. 258, 1986. Disponível em: https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/245221. Acesso em: 1 oct. 2026.