Saepuloh, T., and M. S. Nugraha. “Pengembangan Dan Analisis Program Pelatihan Guru SMK Berbasis Blended Learning, Lesson Study, Dan Professional Learning Community Untuk Meningkatkan Kompetensi Profesional: Development and Analysis of a Blended learning–based, Lesson Study, and Professional Learning Community Training Program for Vocational School Teachers to Enhance Professional Competence”. Epistemic: Jurnal Ilmiah Pendidikan, vol. 4, no. 3, Sept. 2025, pp. 473-89, doi:10.70287/epistemic.v4i3.479.