1.
Asawarungsaengkul K, Nanthavanij S. Hybrid Procedure for Optimal Design of Public Announcement System for Adequate Audibility. Science & Technology Asia [Internet]. 1 [cited 15Dec.2019];13(1):66-4. Available from: https://www.tci-thaijo.org/index.php/SciTechAsia/article/view/41456