Ruiz, C.F. and Guillermo, C.G. 2025. From Training to Teaching: Tracing the Influence of Professional Development on Grade 2 Mathematics Instruction in Tanza 1 District, Division of Cavite. Student Journal of Technology and Educational Research (SJTER). 3, Special Issue 1 (Mar. 2025), 39–55. DOI:https://doi.org/10.65141/sjter.sp2026.04.