“Integrated cage-cum-pond culture system with walking catfish (Clarias batrachus) in cages and tilapia (Oreochromis niloticus) in open ponds”, Res. Agric. Livest. Fish., vol. 4, no. 3, pp. 221–227, Dec. 2017, doi: 10.3329/ralf.v4i3.35101.