Tran VL. An Empirical Study on Vietnamese Chocolate Consumers’ Behaviors and Purchasing Paradigms: A New Approach with Innovation Resistance Theory (IRT) for Downstream Chocolate Businesses in Vietnam. RPS [Internet]. 2025 Sep. 12 [cited 2026 Mar. 4];. Available from: https://repository.learn-portal.org/index.php/rps/article/view/1004