Karegoudar, A V, et al. “Evaluating the Spacing in Free and Controlled Subsurface Drainage Systems in Saline Vertisols of the Tungabhadra Project Command Area, Karnataka, India: Evaluating Space in Subsurface Drainage System for Saline Vertisols”. Journal of Soil Salinity and Water Quality, vol. 17, no. 2, Oct. 2025, pp. 129-45, https://doi.org/10.56093/jsswq.v17i2.171822.