“Effect of Nematode Parasite (Procamallanus Heteropneustus) on the Freshwater Catfish Singhi (Heteropneustes Fossitis)”. Sindh University Research Journal - SURJ (Science Series) 38, no. 2 (December 13, 2006). Accessed November 12, 2026. https://sujo.usindh.edu.pk/index.php/SURJ/article/view/6796.