Gao Y. Empirical Study on the Relationship between Users’ Mental Model and Purchase Intention of VIP Subscription: Evidence from Image Processing App in China. JCSTS [Internet]. 2023 Nov. 17 [cited 2025 Jul. 5];5(4):86-106. Available from: https://al-kindipublishers.org/index.php/jcsts/article/view/6311