Nithisathian K, P. Wall W, Thanitnan C, Ponwiritthon R. Maintaining Indispensable Competitive Advantage: Corporate Strategy for 21st Century. BALARMUTL [Internet]. 2018 May 29 [cited 2024 Apr. 24];6(1):11-24. Available from: https://so05.tci-thaijo.org/index.php/balajhss/article/view/125980