PHANSI, P.; CHUMKATE, J.; NACAPRICHA, D. Determination of Total Phosphorus Content in Chemical Fertilizer Samples Using Flow Injection Analysis System. Science and Engineering Connect, Bangkok, Thailand, v. 44, n. 2, p. 225–236, 2021. Disponível em: https://ph04.tci-thaijo.org/index.php/SEC/article/view/10372. Acesso em: 30 jun. 2025.