khunnapo chakrit. The Guideline on Land Traffic Act B.E. 2522 Revision to Be Appropriate for Elderly Persons. lawhcu [internet]. 2021 Nov. 1 [cited 2026 Sep. 15];12(1):17-28. available from: https://so01.tci-thaijo.org/index.php/lawhcu/article/view/241894