ISLAM, M. S. Effect of Abstraction on Permeability and Hydraulic Gradient in a Simulated Unconfined Aquifer Using Sand Tank Model. Journal of Agriculture & Rural Development, [S. l.], v. 4, n. 1, p. 143–148, 2008. DOI: 10.3329/jard.v4i1.781. Disponível em: https://banglajol.info/index.php/JARD/article/view/781. Acesso em: 17 aug. 2024.