[1]
A. Halidu, L. T. X. Lalamentik, and U. N. W. J. Rembet, “Distribution of Coral Reefs Stone at the Reef Flat of South Coast Putus-Putus Island East Ratatotok, Ratatotok District Southeast Minahasa Regency”, JIP, vol. 4, no. 1, pp. 19–30, Sep. 2016.