Mutmainah, H., and R. S. Clara. “ANALYSIS OF CORAL’S COVER AND CORAL’S MORTALITY INDEX AROUND PAGAI STRAIT, MENTAWAI”. AQUASAINS, vol. 5, no. 1, Nov. 2016, pp. 455-64, http://jurnal.fp.unila.ac.id/index.php/JPBP/article/view/1337.