Garcia, M.R.N. et al. 2026. Teachers’ Readiness, Professional Competence, and Career Advancement Experiences under the Expanded Career Progression System among Public Elementary School Teachers in Alamada, Cotabato: An Explanatory-Sequential Mixed-Methods Study. World Journal of Sustainable Advances in Multidisciplinarity. 1, 2 (Nov. 2026), 267–281. DOI:https://doi.org/10.65339/wjsam.V1.I2.24.