Sari, Putri, Daruti Dinda Nindarwi, Lalu Aldy Kurnia Aji, & Mada Dewantara. " Catfish Culture Techniques with Aquaponic Systems in the Elderly Group as an Effort to Increase Productivity and Economic Independence of the Community in Pakal District, Surabaya." Kontribusia : Research Dissemination for Community Development [Online], 6.1 (2023): 166-170. Web. 22 Nov. 2024