M. . A. Hossain, A. , T. Akhter, M. A. Sadia, T. Akhter, and K. A. Habib, “Optimization of Planting Density of Indian Spinach in a Recirculating Aquaponics System Using Nile Tilapia: Planting of Indian Spinach in an Aquaponics System”, Pakistan Journal of Scientific & Industrial Research, vol. 65, no. 1, pp. 18–27, Feb. 2022.