BOONKERD, N. Increasing Yield of Soybeans by Rhizobium Japonicum and Nitrogen Fertilizer . Thai Agricultural Research Journal, [S. l.], v. 1, n. 1, p. 1–5, 1983. Disponível em: https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/245698. Acesso em: 1 oct. 2026.