Muhidin., Fredinan Yulianda, and ZamaniNeviaty Putri. 2017. “IMPACT OF SNORKELING AND DIVING TO CORAL REEF ECOSYSTEM”. Jurnal Ilmu Dan Teknologi Kelautan Tropis 9 (1), 315-26. https://doi.org/10.29244/jitkt.v9i1.17944.