Jessy A. Corrales, & Emerson C. Tuban. (2008). Preliminary Study on the Polyculture of Sea Urchin (Tripneustes gratilla) and Sea Cucumber (Actinopyga spp.) in Concrete Tank. The Vector: International Journal of Emerging Science, Technology and Management (IJESTM), 17(1). https://doi.org/10.69566/ijestm.v17i1.213