PALIWAL, K V. Validity of Gapon’s Constant in Predicting Soil Sodicity. Annals of Arid Zone, India, v. 26, n. 1 & 2, 2016. DOI: 10.56093/aaz.v26i1 & 2.64196. Disponível em: https://epubs.icar.org.in/index.php/AAZ/article/view/64196. Acesso em: 30 oct. 2025.