Shaleh, Fuquh Rahmat, et al. “Kualitas Air Dan Status Kesuburan Perairan Waduk Sempor, Kebumen”. Jurnal Ilmu Pertanian Indonesia, vol. 19, no. 3, Mar. 2015, pp. 169-73, https://journal.ipb.ac.id/JIPI/article/view/9152.