Compressive Strength of Masonry Units in Cagayan’s Heritage Churches: A Reference for Sustainable Preservation and Seismic Vulnerability Assessment (Engr. Edly Johnson P. Yere, Engr. Trisha D. Faustino, Engr. Deryl Jhon L. Lucas, & Engr. Christian Paul L. Mendoza , Trans.). (2025). International Journal of Recent Technology and Engineering (IJRTE), 14(4), 26-32. https://doi.org/10.35940/ijrte.D8304.14041125