Aminin, A.; Rahim, A. R.; Firmani, U.; Luthfiyah, S.; Prayitno, S. A.; Safitri, N. M.; Permana, G. B.; Yaqin, M. H. UTILIZATION OF LAND WITH AQUA-PONIC SYSTEMS, MUSTARD GREENS AND AFRICAN CATFISH. Kontribusia 2020, 3, 314-318.