Tsao Y-C, Linh VT, Chen T-H. DUOPOLY MARKET COMPETITION OF PRICING AND SERVICE POLICIES UNDER A DUAL-SALE CHANNEL. Int J Ind Eng [Internet]. 2022 Apr. 20 [cited 2024 Nov. 25];29(2). Available from: https://ijietap.journals.publicknowledgeproject.org/index.php/ijie/article/view/7693