ET. AL., Shubham D. Hedau,. Soil Nutrients Testing using IR Photo Spectrometer. Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 12, n. 13, p. 2255–2263, 2021. DOI: 10.17762/turcomat.v12i13.8911. Disponível em: https://www.turcomat.org/index.php/turkbilmat/article/view/8911. Acesso em: 16 nov. 2025.