Alma Bolante Segismundo, & Remedios Ralleta Navarro. (2006). Socio-Economic Profile of the Sea Urchin Fishermen in Nalvo, Sta. Maria, Ilocos Sur. The Vector: International Journal of Emerging Science, Technology and Management (IJESTM), 15(1). https://doi.org/10.69566/ijestm.v15i1.190