D. Kaewnai, W. Limsawart, R. Nongnut, and K. Chuengsatiansup, “Preserving Personal Documents in the National Archives: : A Case Study of Archival Documents of Professor Dr. Sam Pringphuangkaew in the National Health Archives”, JASAC, vol. 3, no. 1, pp. 164–203, Jun. 2020.