A. A. Istri Mirah Dharmadewi. “Analysis of Leading Metal (Pb) and Cadmium (Cd) Content Green Shells (perna Viridis L.) in the Kreneng Market”. Journal of Sustainable Development Science, Vol. 2, no. 2, Dec. 2020, pp. 40-45, doi:10.46650/jsds.2.2.1008.40-45.