A. C. Cruz, R. G. . O. Navarro, J. J. . C. Aguirre, R. N. . T Magno, and J. J. . M. Derecho, “ GEOSTATISTICAL MODELING OF SPT DATA TO DETERMINE THE MINIMUM NUMBER AND DEPTH OF FUTURE BOREHOLE INVESTIGATIONS”, INTERNATIONAL JOURNAL OF GEOMATE, vol. 25, no. 107, pp. 77–85, May 2023.