Effects of Fish Stocking Density on Water Quality, Growth Performance of Tilapia (Oreochromis niloticus) and Yield of Butterhead Lettuce (Lactuca sativa) Grown in Decoupled Recirculation Aquaponic SystemsAbdel Razzaq Al‐Tawaha, Mohd Zafri Hassan|Journal of Ecological Engineering|2020Cited by 29