L. B. Calubandi, “Foundational Reading Instruction and Early Literacy Support Practices of Key Stage 1 Teachers in Bayombong, Nueva Vizcaya”, Int. J. Sustain. Integr. Stud., vol. 1, no. 3, pp. 134–147, Oct. 2026, doi: 10.65339/ijsis.V1.I3.147.