AlgadriG., SubhanB., ArafatD., GhozaliA. T., SantosoP., and MadduppaH., “SESSILE ORGANISMS COLONISATION ON CONCRETE SUBSTRATE ‘CRYPTO’ AT DIFFERENT DEPTH IN THE PATCH REEF OF PRAMUKA ISLAND”, J. Ilmu dan Teknologi Kelautan Tropis, vol. 9, no. 1, pp. 393-403, Nov. 2017.