“EVALUATION OF THE USE OF MALANG SAND AS A FILTER MATERIAL ON WATER QUALITY, PHYSIOLOGICAL RESPONSES AND PRODUCTION PERFORMANCE OF MUD CRAB Scylla serrata”, J. Ilmu dan Teknologi Kelautan Tropis, vol. 12, no. 3, pp. 833–848, Dec. 2020, doi: 10.29244/jitkt.v12i3.32939.