Samniangdi T, Uon V. A CAUSAL RELATIONSHIP THAT EFFECT COMPETENCY AND DISTRIBUTOR’S PERFORMANCE IN MULTI-LEVEL MARKETING. JSBA [internet]. 2022 May 31 [cited 2026 Mar. 6];7(5):66-81. available from: https://so04.tci-thaijo.org/index.php/JSBA/article/view/253365