Mangangkung, N.; Angkouw, E. D.; Warouw, V.; Mangindaan, R. E. P.; Losung, F.; Monijung, R. D. Anti-Bacterial And Anti-Ultraviolet Activity Test Of Black Cucumber (Holothuria Atra) Extract From Tongkaina Waters, Bunaken District, Manado City. JIP 2023, 11, 543-550.