คล้ายมนต์ ส. dbFRec for DOS : A Database for Fertilizer Recommendaion Program. Thai Agricultural Research Journal, [S. l.], v. 15, n. 2, p. 115–119, 1997. DOI: 10.14456/thaidoa-agres.1997.11. Disponível em: https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/236557. Acesso em: 1 oct. 2026.