L. E. Quipuzco Ushñahua, “Valuation of wastewater in Israel as an agricultural resource: considerations to take into account for water management in Peru”, Rev. Inst. investig. Fac. minas metal cienc. geogr, vol. 7, no. 13, pp. 64–72, Jul. 2004, doi: 10.15381/iigeo.v7i13.694.