Mangio, H. R., M. S. Mirjat, M. A. Talpur, and A. Sarki. “PURIFICATION OF GREYWATER USING REEDBED TECHNOLOGY: EFFECT ON TDS, SO42-, PO42- AND NO3-”. Pakistan Journal of Agriculture, Agricultural Engineering and Veterinary Sciences, vol. 33, no. 2, Dec. 2017, pp. 243-5, https://pjaaevs.sau.edu.pk/index.php/ojs/article/view/208.