อธิคมสุวรรณ ศ, สัจจโสภณ ร, ตันพิชัย ป. Creating logos for elderly workers products in the western region of Thailand. RMUTSB-HUMAN [internet]. 2019 Dec. 23 [cited 2026 Sep. 11];4(2):186-98. available from: https://so05.tci-thaijo.org/index.php/rmutsb-hs/article/view/159500