Zhao H, He M. THE FACTORS INFLUENCING IMPULSE PURCHASES OF ONLINE KNOWLEDGE-BASED PAID PRODUCTS BASED ON THE CIFE MODEL—THE MODERATING EFFECT OF CONSUMER CONFIDENCE. CJSSM [internet]. 2025 Nov. 25 [cited 2026 Sep. 16];9(2):223-42. available from: https://so01.tci-thaijo.org/index.php/CJSSM/article/view/276073