POLAT, M. Y.; BEYAZ, A.; ÇILINGIR, İbrahim. Development of a Low-Cost pH Meter for Liquid Chemical Fertilizers. Turkish Journal of Agriculture - Food Science and Technology, [S. l.], v. 8, n. 4, p. 840–846, 2020. DOI: 10.24925/turjaf.v8i4.840-846.2911. Disponível em: https://agrifoodscience.com/index.php/TURJAF/article/view/2911. Acesso em: 1 sep. 2024.