Andres T. Malinnag and Jaime G. Raras (2002) “Coping Mechanisms Towards Resource Degradation, Natural Disasters and Economic Crises in the Upland Municipalities of Ilocos Sur”, The Vector: International Journal of Emerging Science, Technology and Management (IJESTM), 11(1). doi: 10.69566/ijestm.v11i1.160.