Q. Ahmed, L. Bat, and Q. M. Ali, “DETERMINATION OF MERCURY (Hg) IN TWO SEA CUCUMBER SPECIES OHSHIMELLA EHRENBERGII (SELENKA, 1868) AND STOLUS BUCCALIS (STIMPSON, 1855) FROM THE KARACHI COAST”, Pak. J. Mar. Sci., vol. 28, no. 1, pp. 55–62, Jun. 2019.