N. Petchara, M. Yotharak, and Phrakruphichitsupakan, “Guidelines for Developing Counselor Teachers in the Digital Age based on Sangkhahvatthu 4 Principles under the Schools Sinpuntapi Network Surat Thani Primary Educational Service Office 3”, JSBR, vol. 4, no. 3, pp. 1–11, Sep. 2026.