LINWATTANA, G.; PAL SINGH, V. The Extrapolation of Nitrogen Mangement Technology for direct-Seeded Rice in Ubon Ratchathani Province Using Geographic Information System as a Tool. Thai Agricultural Research Journal, [S. l.], v. 20, n. 3, p. 237–249, 2002. DOI: 10.14456/thaidoa-agres.2002.19. Disponível em: https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/219338. Acesso em: 1 oct. 2026.